Oleh : Dr. Ach. Sani Supriyanto
Bisa didownlaod di sini
*Department of Management, State Islamic University of Maulana Malik Ibrahim Malang, Indonesia
Correspondence: Achmad Sani, State Islamic University of Maulana Malik Ibrahim Malang, 65145, Indonesia.
E-mail: achmad_sani72@yahoo.com