Ipeghan J. Otaraku , Chinonso Onyekaonwu
 D. A. Wood, "LNG rish profile-1. Where we are: Relationships, contracts evolve along supply chain," Oil and Gas Journal, vol. 103, pp. 54-59, 2015. View at Google Scholar
 C. Elvidge, K. Baugh, B. Tuttle, A. Howard, D. Pack, and C. Milesi, "A twelve year record of national and global gas flaring volumes estimated using satellite data," Final Report to the World Bank, 2007.
 B. S. V. Atevure, "Processes of oil production and environmental degradation: An overview," Journal of Environmental Analysis, vol. 2, pp. 76-85, 2004. View at Google Scholar
 O. E. Inyang, "Gas flaring and the Nigerian economy," Economic Review, vol. 14, pp. 25–33, 2007.View at Google Scholar
 T. J. Blasing and K. Hand, "Monthly carbon emissions for natural gas flaring and cement manufacture in the United States," Tellus B: Chemical and Physical Meteorology, vol. 59, pp. 15-51, 2007. View at Google Scholar | View at Publisher
 T. Ogawa, N. Inoue, T. Shikada, and Y. Ohno, "Direct dimethyl ether synthesis," Journal of Natural Gas Chemistry, vol. 12, pp. 219-227, 2003. View at Google Scholar