共 32 条
[3]
Alene A.D., 2006, Q J INT AGR, V45, P208
[4]
Asfaw S., 2011, Journal of Development and Agricultural Economics, V3, P436
[5]
Awotide B. A., 2014, Journal of Development and Agricultural Economics, V6, P376
[6]
Ayanwale A., 2011, BASELINE REPORT SUDA
[8]
Bayissa Gedefa Weyessa Bayissa Gedefa Weyessa, 2014, Global Journal of Environmental Research, V8, P41
[9]
Cosgun C., 2012, GRADEVINAR, V1, P39