Citation
, al-Jamʿiyya al-Miṣriyya li-l-Khadamāt al-Ijtimāʿiyya Maktab al-Buḥūth al-Ijtimāʿiyya. Dirāsa Ijtimāʿiyya li-l-Khadamāt bi-Ḥayy al-Khalīfa. Cairo: al-Jamʿiyya al-Miṣriyya li-l-Khadamāt al-Ijtimāʿiyya, 1967.
, al-Jamʿiyya al-Miṣriyya li-l-Khadamāt al-Ijtimāʿiyya Maktab al-Buḥūth al-Ijtimāʿiyya. Dirāsa Ijtimāʿiyya li-l-Khadamāt bi-Ḥayy al-Khalīfa. Cairo: al-Jamʿiyya al-Miṣriyya li-l-Khadamāt al-Ijtimāʿiyya, 1967.