Abou Ammoh، A. A. M.، و Ahmad، R. (1989). Some Contributions to Infinite Divisibility Contiguity, Unimodality and some other Related Concepts with their Application to Statistical Inference (رسالة دكتوراه غير منشورة). University of Strathclyde، غلاسكو. مسترجع من http://search.mandumah.com/Record/601771
Abou Ammoh، Abd Alrahman M.، و Rashid Ahmad. "Some Contributions to Infinite Divisibility Contiguity, Unimodality and Some Other Related Concepts With Their Application to Statistical Inference" رسالة دكتوراه. University of Strathclyde، غلاسكو، 1989. مسترجع من http://search.mandumah.com/Record/601771