By Khalifa Sherif   in International Economic Journal

ISSN:1016-8737|27|4|549-585

Routledge Ltd‎(2013)‎

Access to resources Favorite 19.443003

By Khalifa Sherif   Seck Ousmane   Tobing Elwin   in Applied Economics Letters

ISSN:1466-4291|18|13|1303-1305

Routledge Ltd‎(2011)‎

Access to resources Favorite 11.665802