Ettman,, M. (2004). A STUDY OF THE CAUSES BEHIND THE EXTENSIONISTS, LEAVING OUT THE EXTENSION WORK IN SOME NORTHERN EGYPTIAN GOVERNORATES TO THE OTHER AGRICULTURAL ORGANIZATIONS. test, 29(5), 2543-2561. doi: 10.21608/jaess.2004.209748
M. I. A. Ettman,. "A STUDY OF THE CAUSES BEHIND THE EXTENSIONISTS, LEAVING OUT THE EXTENSION WORK IN SOME NORTHERN EGYPTIAN GOVERNORATES TO THE OTHER AGRICULTURAL ORGANIZATIONS". test, 29, 5, 2004, 2543-2561. doi: 10.21608/jaess.2004.209748
Ettman,, M. (2004). 'A STUDY OF THE CAUSES BEHIND THE EXTENSIONISTS, LEAVING OUT THE EXTENSION WORK IN SOME NORTHERN EGYPTIAN GOVERNORATES TO THE OTHER AGRICULTURAL ORGANIZATIONS', test, 29(5), pp. 2543-2561. doi: 10.21608/jaess.2004.209748
Ettman,, M. A STUDY OF THE CAUSES BEHIND THE EXTENSIONISTS, LEAVING OUT THE EXTENSION WORK IN SOME NORTHERN EGYPTIAN GOVERNORATES TO THE OTHER AGRICULTURAL ORGANIZATIONS. test, 2004; 29(5): 2543-2561. doi: 10.21608/jaess.2004.209748