Citation
Ismāʿīl, Ḥasan Maḥmūd Muḥammad. Taʾthīr Istikhdām al-Madkhal al-Bīʾī Fī Tadrīs al-Tārīkh ʿAlā Tanmiyat al-Waʿī al-Bīʾī Ladā Talāmīdh al-Marḥala al-Thānawiyya. Cairo: Jāmiʿat ʿAyn Shams, 1997.
Ismāʿīl, Ḥasan Maḥmūd Muḥammad. Taʾthīr Istikhdām al-Madkhal al-Bīʾī Fī Tadrīs al-Tārīkh ʿAlā Tanmiyat al-Waʿī al-Bīʾī Ladā Talāmīdh al-Marḥala al-Thānawiyya. Cairo: Jāmiʿat ʿAyn Shams, 1997.