P. Matthew and C. Marie, "Assessing learning in online education. The role of technology in improving student outcomes," National Institute for Learning Outcomes Assessment, Produced by Creative Services|Public Affairs at the University of Illinois for NILOA. 10.032. Learningoutcomesassessment.org, 2011.
 Q. Sun and X. Chen, "Online education and its effective practice: A research review," Journal of Information Technology Education: Research, vol. 15, pp. 157-190, 2016.Available at: https://doi.org/10.28945/3502.
 K. Ford, "Competency-based education, history, opportunities, and challenges," CILSS Resource, UMUC Center for Innovation In Learning and Student Success (CILSS), pp. 1-21. Retrieved from: https://www.researchgate.net/profile/Kate_Ford/publication/281444311_Competency-Based_Education_History_Opportunities_and_Challenges/links/55e77f5908ae65b638995a2d/Competency-Based-Education-History-Opportunities-and-Challenges.pdf, 2014.
 J. Matthew, P. M. Koehler, K. Kristen, S. S. Tae, and G. R. Charles, The technological pedagogical content Knowledge framework. Handbook of research on educational communications and technology. New York: Springer Science Business Media, 2014.
 M. Birenbaum, K. Breuer, E. Cascallar, F. Dochy, Y. Dori, J. Ridgway, and R. Wiesemes, "Position paper. A learning integrated assessment system," Educational Research Review, vol. 1, pp. 61-67, 2016.Available at: 10.1016/j.edurev.2006.01.001.
 M. Dinther, F. Dochy, and M. Segers, "The contribution of assessment experiences to student teachers' self-efficacy in competence-based education," Teaching and Teacher Education, vol. 49, pp. 45-55, 2015.Available at: https://doi.org/10.1016/j.tate.2015.02.013.
 L. M. Katie and G. N. Matthew, Measuring mastery: Best practices for assessment in competency-based education. AEI Series on Competency-Based Higher Education, Center on Higher Education Reform American Enterprise Institute, 2015. Retrieved: https://www.luminafoundation.org/files/resources/measuring-mastery.pdf, 2015.
 J. W. Pellegrino and M. L. Hilton, Education for life and work: Developing transferable knowledge and skills in the 21st century. Washington, DC: National Research Council of the National Academies, 2012.
 V. J. Shute, M. Ventura, and Y. J. Kim, "Assessment and learning of qualitative physics in newton's playground," The Journal of Educational Research, vol. 106, pp. 423-430, 2013.Available at: https://doi.org/10.1080/00220671.2013.832970.
 J. Krause, L. P. Dias, C. Schedler, J. Krause, L. Dias, and C. Schedler, "Competency-based education: A framework for measuring quality courses," Online Journal of Distance Learning Administration, vol. 18, pp. 1-9, 2015.
 N. H. Quang, N. P. Dao, H. M. Nguyen, T. T. Nguyen, and C. P. Nguyen, "Design an exact linearization controller for permanent stimulation synchronous linear motor polysolenoid," SSRG International Journal of Electrical and Electronics Engineering, vol. 4, pp. 7-12, 2017. Available at: https://doi.org/10.14445/23488379/ijeee-v4i1p102.
 N. H. Quang, "Multi parametric programming based model predictive control for tracking control of polysolenoid linear motor," Special issue on Measurement, Control and Automation, vol. 19, pp. 31-37, 2017.
 H. Q. Nguyen, P. Q. Nguyen, N. H. Nguyen, and T. B. Nguyen, "Min max model predictive control for polysolenoid linear motor," International Journal of Power Electronics and Drive Systems, vol. 9, pp. 1666-1675, 2018. Available at: https://doi.org/10.11591/ijpeds.v9.i4.pp1666-1675.
 H. Q. Nguyen, P. Q. Nguyen, D. P. Nam, and T. B. Nguyen, "Multi parametric model predictive control based on laguerre model for permanent magnet linear synchronous motors," International Journal of Electrical and Computer Engineering, vol. 9, pp. 1067-1077, 2019. Available at: https://doi.org/10.11591/ijece.v9i2.pp1067-1077.
 P. N. Dao, "Multi parametric programming and exact linearization based model predictive control of a permanent magnet linear synchronous motor," in International Conference on System Science and Engineering, 2017, pp. 743-747.
 Z. Dong, Y. Yong, L. Wenshuang, B. Wang, and X. Dianguo, "Flux-weakening control for induction motor in voltage extension region: Torque analysis and dynamic performance improvement," IEEE Transactions on Industrial Electronics, 2018.
 L.-F. Shi, F.-B. Liu, H.-S. He, X.-Y. Mao, and X.-Q. Lai, "Design of adaptive dead-time control circuit for resonant half-bridge driver," International Journal of Electronics, vol. 100, pp. 1317-1331, 2013. Available at: https://doi.org/10.1080/00207217.2012.743084.
 B. Hettige and A. S. Karunananda, "First ainhala chatbot in action," in In Proceedings of the 3rd Annual Sessions of Sri Lanka Association for Artificial Intelligence (SLAAI), University of Moratuwa, 2006.
 M. Pereira and L. Coheur, "Just. Chat-a platform for processing information to be used in chatbots. pp. 1-10. Available: https://fenix.tecnico.ulisboa.pt/downloadFile/395145485809/ExtendedAbstract.pdf," 2013.
 A. Patil, K. Marimuthu, and R. Niranchana, "Comparative study of cloud platforms to develop a chatbot," International Journal of Engineering & Technology, vol. 6, pp. 57-61, 2017. Available at: https://doi.org/10.14419/ijet.v6i3.7628.
 F. A. Mikic, J. C. Burguillo, M. Llamas, D. A. Rodríguez, and E. Rodríguez, "Charlie: An aiml-based chatterbot which works as an interface among ines and humans," in In IEEE Annual Conference 2009 EAEEIE, 2009, pp. 1-6.
 J. Jia, "CSIEC: A computer assisted English learning chatbot based on textual knowledge and reasoning," Knowledge-Based Systems, vol. 22, pp. 249-255, 2009. Available at: https://doi.org/10.1016/j.knosys.2008.09.001.
 M. D. Leonhardt, L. Tarouco, R. M. Vicari, E. R. Santos, and M. D. S. da Silva, "Using chatbots for network management training through problem-based oriented education " in In Seventh IEEE International Conference on Advanced Learning Technologies, ICALT, 2007, pp. 845-847.
 S. V. Doshi, S. B. Pawar, A. G. Shelar, and S. S. Kulkarni, "Artificial intelligence chatbot in android system using open source program-O," International Journal of Advanced Research in Computer and Communication Engineering, vol. 6, pp. 816-821, 2017.
 G. Cameron, D. Cameron, G. Megaw, R. Bond, M. Mulvenna, S. O'Neill, and M. McTear, "Towards a chatbot for digital counselling," in In Proceedings of the 31st British Computer Society Human Computer Interaction Conference, BCS Learning & Development Ltd, 2017, p. 24.
 N. T. Thomas, "An e-business chatbot using AIML and LSA," in In Proceedings of IEEE International Conference on Advances in Computing, Communications and Informatics (ICACCI), 2016, pp. 2740-2742.
 P. Kataria, K. Rode, A. Jain, P. Dwivedi, S. Bhingarkar, and M.-C. P. India, "User adaptive chatbot for mitigating depression," International Journal of Pure and Applied Mathematics, vol. 118, pp. 349-361, 2018.
 S. Hussain and G. Athula, "Extending a conventional chatbot knowledge base to external knowledge source and introducing user based sessions for diabetes education," in In IEEE 32nd International Conference on Advanced Information Networking and Applications Workshops (WAINA), 2018, pp. 698-703.
 A. S. Lokman and J. M. Zain, "An architectural design of Virtual Dietitian (ViDi) for diabetic patients," in In 2nd IEEE International Conference on Computer Science and Information Technology, 2009, pp. 408-411.
 H. Kazi, B. Chowdhry, and Z. Memon, "Medchatbot: An umls based chatbot for medical students," International Journal of Computer Applications, vol. 55, pp. 1-5, 2012. Available at: https://doi.org/10.5120/8844-2886.