http://e-repository.perpus.iainsalatiga.ac.id/12015
http://e-repository.perpus.iainsalatiga.ac.id/12462
http://e-repository.perpus.iainsalatiga.ac.id/12540
http://e-repository.perpus.iainsalatiga.ac.id/13127
http://e-repository.perpus.iainsalatiga.ac.id/13312
http://e-repository.perpus.iainsalatiga.ac.id/14331