http://e-repository.perpus.iainsalatiga.ac.id/15820
http://e-repository.perpus.iainsalatiga.ac.id/14612
http://e-repository.perpus.iainsalatiga.ac.id/13130
http://e-repository.perpus.iainsalatiga.ac.id/10765
http://e-repository.perpus.iainsalatiga.ac.id/10291
http://e-repository.perpus.iainsalatiga.ac.id/9226