Citation
ʿAsal, Ibrāhīm. Al-Usus al-Naẓariyya wa-l-Asālīb al-Taṭbīqiyya Fī ʿIlm al-Ijtimāʿ. Beirut: al-Muʾassasa al-Jāmiʿiyya li-l-Dirāsāt wa-l-Nashr wa-l-Tawzīʿ, 1997.
ʿAsal, Ibrāhīm. Al-Usus al-Naẓariyya wa-l-Asālīb al-Taṭbīqiyya Fī ʿIlm al-Ijtimāʿ. Beirut: al-Muʾassasa al-Jāmiʿiyya li-l-Dirāsāt wa-l-Nashr wa-l-Tawzīʿ, 1997.