http://e-repository.perpus.iainsalatiga.ac.id/10404
http://e-repository.perpus.iainsalatiga.ac.id/10190
http://e-repository.perpus.iainsalatiga.ac.id/10586
http://e-repository.perpus.iainsalatiga.ac.id/10638
http://e-repository.perpus.iainsalatiga.ac.id/10501
http://e-repository.perpus.iainsalatiga.ac.id/10245