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دليل المستخدم
Basabrain، A. A. A. A. A.، و Scribner، H. B. (1983). MODERNIZATION OF AGRICULTURE: AN ANALYSIS OF INCENTIVE, DISINCENTIVES. AND THE ECONOMICAL, EDUCATIONAL FACTORS INFLUENCING THE ADOPTION OF AGRICULTURAL INNOVATIONS IN SAUDI ARABIA (رسالة دكتوراه غير منشورة). University of Massachusetts، أمهيرست. مسترجع من http://search.mandumah.com/Record/617925
Basabrain، Abd Allah Abd Alrahman A.، و Harvey B. Scribner. "MODERNIZATION OF AGRICULTURE: AN ANALYSIS OF INCENTIVE, DISINCENTIVES. AND THE ECONOMICAL, EDUCATIONAL FACTORS INFLUENCING THE ADOPTION OF AGRICULTURAL INNOVATIONS IN SAUDI ARABIA" رسالة دكتوراه. University of Massachusetts، أمهيرست، 1983. مسترجع من http://search.mandumah.com/Record/617925