http://e-repository.perpus.iainsalatiga.ac.id/19459
http://e-repository.perpus.iainsalatiga.ac.id/19057
http://e-repository.perpus.iainsalatiga.ac.id/19178
http://e-repository.perpus.iainsalatiga.ac.id/18238
http://e-repository.perpus.iainsalatiga.ac.id/18101
http://e-repository.perpus.iainsalatiga.ac.id/18575