(3eUQ GdeYGUQI(B.s (3jfGjQ (B- (3CHQjd (B1991 /s ((3GdbGgQI (B:s (3GdLeYjI GdeUQjI ddGbJUGO GdSjGSj hGdEMUGA hGdJTQjY,s, 1991)
Are Egyptian Farmers Technically Efficient An Empirical Study / Dr. Hassan Y. Aly.
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Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs -- (3OhQjGJs