Citation
al-Duqla, Muḥammad Suwayd ʿAbd Rabbih. Baʿḍ al-ʿAwāmil al-Ijtimāʿiyya wa-l-Iqtiṣādiyya al-Muʾaththira ʿalā Darajat al-Waʿī al-Bīʾī li-l-Sukkān al-Rīfiyyīn fī Baʿḍ Qurā Markaz Ītāy al-Bārūd bi-Muḥāfaẓat al-Baḥāira – Jumhūriyyat Miṣr al-ʿArabiyya. Cairo: Jāmiʿat ʿAyn Shams, 1993.