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دليل المستخدم
Ismail، A. A. E. A. (1982). Evaluation and Adjustment of the Age and Sex Structure of the Population of Egypt: As Reported in 1976 Population Census. السكان : بحوث ودراسات، ع25 ، 35 - 61. مسترجع من http://search.mandumah.com/Record/669457
Ismail، Abd Alfatah Ezz Aldin. "Evaluation and Adjustment of the Age and Sex Structure of the Population of Egypt: As Reported in 1976 Population Census." السكان : بحوث ودراسات ع25 (1982): 35 - 61. مسترجع من http://search.mandumah.com/Record/669457