BA (Honours), Department of Arabic, University of Dhaka

Professor Universitas Negeri Yogyakarta

Professor Emeritus of History, Virginia Tech

Professor of History of Islam, Ankara Yildirim Beyazit University

Professor of History, Bilecik University

Catedrático de Estudios Árabes e Islámicos, Universidad de Alicante (Spain إسبانيا)

Eurasian National University

University of Muhammadiyah Prof. Dr. Hamka

Associate Professor of Islamic Law, University of Muhammadiyah Malang

Assistant professor of Arabic Language and Literature, university of birjand