Citation
, al-Markaz al-Iqlīmī al-ʿArabī li-l-Buḥūth wa-l-Tawthīq. Baḥth al-Muʾashshirāt al-Ijtimāʿiyya li-l-Tanmiya. Cairo: al-Markaz al-Iqlīmī al-ʿArabī li-l-Buḥūth wa-l-Tawthīq fī al-ʿUlūm al-Ijtimāʿiyya , 1987.
, al-Markaz al-Iqlīmī al-ʿArabī li-l-Buḥūth wa-l-Tawthīq. Baḥth al-Muʾashshirāt al-Ijtimāʿiyya li-l-Tanmiya. Cairo: al-Markaz al-Iqlīmī al-ʿArabī li-l-Buḥūth wa-l-Tawthīq fī al-ʿUlūm al-Ijtimāʿiyya , 1987.