http://e-repository.perpus.iainsalatiga.ac.id/17528
http://e-repository.perpus.iainsalatiga.ac.id/17576
http://e-repository.perpus.iainsalatiga.ac.id/17582
http://e-repository.perpus.iainsalatiga.ac.id/13048
http://e-repository.perpus.iainsalatiga.ac.id/17719
http://e-repository.perpus.iainsalatiga.ac.id/17592