Author = Z.M. El-Zarka
| Number of Articles: 1 | ||
| 1 | Agricultural Training Needs Among Extension Workers in Some Districts in Beheira Governorate Related to Some Environment Extension Activities | |
| Volume 29, October-December, October 2008, Page 160-176 | ||
| Z.M. El-Zarka; A.A. Fayed | ||
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