Pagar, Pagar, Professor at State Islamic University of North Sumatra
Pagar, Pagar, Universitas Islam Negeri Sumatera Utara Medan
Pasaribu, Mansyur Hidayat, State University of Medan
Paz, Rafael Michael, Polytechnic University of the Philippines
Perdana, Surya Perdana, University of Muhammadiyah Sumatera Utara
Prabowo, Hadi, Institute of Public Administration Jatinangor, West Java
Prasetia, Indra, Lecturer at the university of Muhammadiyah Sumatera Utara
Pulungan, Lilik Hidayat, Faculty of Education and Teacher Training University of Muhammadiyah Sumatera Utara
Purba, Hadis, Senior Lecturer at Faculty of Tarbiyah and Teachers Training The State Islamic University of North Sumtra Medan, Indonesia

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