Author = علاء الدين سعفان
| Number of Articles: 1 | ||
| 1 | AN ECONOMIC STUDY OF THE COSTS OF PRODUCTION FOR SOME MEDICINAL AND AROMATIC PLANTS IN EGYPT | |
| Volume 1, Issue 4, April 2010, Page 305-312 | ||
| ليلى الشريف; أنعام محمد; علاء الدين سعفان; هيثم حسن | ||
| Number of Articles: 1 | ||
| 1 | AN ECONOMIC STUDY OF THE COSTS OF PRODUCTION FOR SOME MEDICINAL AND AROMATIC PLANTS IN EGYPT | |
| Volume 1, Issue 4, April 2010, Page 305-312 | ||
| ليلى الشريف; أنعام محمد; علاء الدين سعفان; هيثم حسن | ||
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