http://e-repository.perpus.iainsalatiga.ac.id/13111
http://e-repository.perpus.iainsalatiga.ac.id/12912
http://e-repository.perpus.iainsalatiga.ac.id/12087
http://e-repository.perpus.iainsalatiga.ac.id/11627
http://e-repository.perpus.iainsalatiga.ac.id/11680
http://e-repository.perpus.iainsalatiga.ac.id/11629