http://e-repository.perpus.iainsalatiga.ac.id/12457
http://e-repository.perpus.iainsalatiga.ac.id/12540
http://e-repository.perpus.iainsalatiga.ac.id/12730
http://e-repository.perpus.iainsalatiga.ac.id/12495
http://e-repository.perpus.iainsalatiga.ac.id/12771
http://e-repository.perpus.iainsalatiga.ac.id/12816