(1)
Program Studi Ekonomi Syariah, Fakultas Ekonomi dan Bisnis Islam, Institut Agama Islam Negeri Manado, Manado
,
(2)
Faculty of Business, Management, and Accountancy, Universiti Sultan Zainal Abidin, Kuala Terengganu
,
(3)
Department of Islamic Thought and Civilization, School of Social Sciences and Humanities, University of Management and Technology, Lahore