Moustafa، E. M. (1994). Factors Related to Supply and Demand for Children, Upper Egypt Region. السكان : بحوث ودراسات، ع48 ، 54 - 76. Retrieved from http://search.mandumah.com/Record/669575
Moustafa، Eman Mahmoud. "Factors Related to Supply and Demand for Children, Upper Egypt Region." السكان : بحوث ودراسات ع48 (1994): 54 - 76. Retrieved from http://search.mandumah.com/Record/669575