Date: Jun 30, 2018
Source: STUDI MULTIDISIPLINER
Publisher: Pascasarjana , IAIN (State Institute for Islamic Studies) Padangsidimpuan
Date: Jul 31, 2015
Source: FORUM PAEDAGOGIK
Publisher: Fakultas Tarbiyah dan Ilmu Keguruan, Institut Agama Islam Negeri Padangsidimpuan