http://e-repository.perpus.iainsalatiga.ac.id/11326
http://e-repository.perpus.iainsalatiga.ac.id/11722
http://e-repository.perpus.iainsalatiga.ac.id/12224
http://e-repository.perpus.iainsalatiga.ac.id/13090
http://e-repository.perpus.iainsalatiga.ac.id/13750