http://e-repository.perpus.iainsalatiga.ac.id/18137
http://e-repository.perpus.iainsalatiga.ac.id/18090
http://e-repository.perpus.iainsalatiga.ac.id/18323
http://e-repository.perpus.iainsalatiga.ac.id/18924
http://e-repository.perpus.iainsalatiga.ac.id/19314
http://e-repository.perpus.iainsalatiga.ac.id/18841