GeoRef (American Geosciences Institute)

AGRIS [International System for Agricultural Science and Technology, and it is maintained by the Food and Agricultural Organization of the United Nations]

Ulrichs Web Global Serials Directory (USA)

Scilit (Switzerland)

DOI

Crossref

Academic Informa

Google Scholar

Microsoft Academic Search

RePEc (Germany)

IDEAS

Periodical Liberary (University Regensburg)

Worldcat

EconStor (German National Library of Economics)

Academia.edu Share research

NewJour (The archive is provided courtesy of Lauinger Library, Georgetown University)

Academic Resource Index

Journal Index Net

CiteFactor