http://e-repository.perpus.iainsalatiga.ac.id/10288
http://e-repository.perpus.iainsalatiga.ac.id/10167
http://e-repository.perpus.iainsalatiga.ac.id/10714
http://e-repository.perpus.iainsalatiga.ac.id/10339
http://e-repository.perpus.iainsalatiga.ac.id/11604
http://e-repository.perpus.iainsalatiga.ac.id/12218