http://e-repository.perpus.iainsalatiga.ac.id/10530
http://e-repository.perpus.iainsalatiga.ac.id/10383
http://e-repository.perpus.iainsalatiga.ac.id/10378
http://e-repository.perpus.iainsalatiga.ac.id/10477
http://e-repository.perpus.iainsalatiga.ac.id/10479
http://e-repository.perpus.iainsalatiga.ac.id/9580