ETTMAN, M. (2008). SOME CHARACTERISTICS OF THE AGRICULTURAL EXTENSIONISTS IN LOWER EGYPT GOVERNORATES AFFECTED ON THE CAUSES BEHIND THEIR LEAVING OUT THE EXTENSION WORK TO THE OTHER AGRICULTURAL ORGANIZATIONS. test, 86(2), 777-799. doi: 10.21608/ejar.2008.206004
MAHMOUD I. ETTMAN. "SOME CHARACTERISTICS OF THE AGRICULTURAL EXTENSIONISTS IN LOWER EGYPT GOVERNORATES AFFECTED ON THE CAUSES BEHIND THEIR LEAVING OUT THE EXTENSION WORK TO THE OTHER AGRICULTURAL ORGANIZATIONS". test, 86, 2, 2008, 777-799. doi: 10.21608/ejar.2008.206004
ETTMAN, M. (2008). 'SOME CHARACTERISTICS OF THE AGRICULTURAL EXTENSIONISTS IN LOWER EGYPT GOVERNORATES AFFECTED ON THE CAUSES BEHIND THEIR LEAVING OUT THE EXTENSION WORK TO THE OTHER AGRICULTURAL ORGANIZATIONS', test, 86(2), pp. 777-799. doi: 10.21608/ejar.2008.206004
ETTMAN, M. SOME CHARACTERISTICS OF THE AGRICULTURAL EXTENSIONISTS IN LOWER EGYPT GOVERNORATES AFFECTED ON THE CAUSES BEHIND THEIR LEAVING OUT THE EXTENSION WORK TO THE OTHER AGRICULTURAL ORGANIZATIONS. test, 2008; 86(2): 777-799. doi: 10.21608/ejar.2008.206004