http://e-repository.perpus.iainsalatiga.ac.id/9749
http://e-repository.perpus.iainsalatiga.ac.id/10013
http://e-repository.perpus.iainsalatiga.ac.id/9934
http://e-repository.perpus.iainsalatiga.ac.id/9932
http://e-repository.perpus.iainsalatiga.ac.id/9971