http://e-repository.perpus.iainsalatiga.ac.id/15893
http://e-repository.perpus.iainsalatiga.ac.id/13351
http://e-repository.perpus.iainsalatiga.ac.id/12041
http://e-repository.perpus.iainsalatiga.ac.id/17628
http://e-repository.perpus.iainsalatiga.ac.id/17591
http://e-repository.perpus.iainsalatiga.ac.id/17408