http://e-repository.perpus.iainsalatiga.ac.id/12562
http://e-repository.perpus.iainsalatiga.ac.id/12653
http://e-repository.perpus.iainsalatiga.ac.id/13243
http://e-repository.perpus.iainsalatiga.ac.id/13267
http://e-repository.perpus.iainsalatiga.ac.id/13250
http://e-repository.perpus.iainsalatiga.ac.id/13423