Economic Efficiency of Sharecropping in Drylands: A Case Study of Gum Arabic Production in Kordofan Gum Belt, Sudan

מאת Elkhidir, Elrashied Elimam
יצא לאור 2003

Economic Efficiency of Sharecropping in Drylands: A Case Study of Gum Arabic Production in Kordofan Gum Belt, Sudan

מאת Elkhidir, Elrashied Elimam
יצא לאור 2003

Estimation of technical efficiency for share contract of producing gum Arabic: Kordofan gum Arabic belt, Sudan

מאת Elkhidir, Elrashied Elimam, Baharumshah, Ahmad Zubaidi, Tai, Shzee Yew
יצא לאור 2010