http://e-repository.perpus.iainsalatiga.ac.id/12787
http://e-repository.perpus.iainsalatiga.ac.id/12259
http://e-repository.perpus.iainsalatiga.ac.id/9115
http://e-repository.perpus.iainsalatiga.ac.id/10547
http://e-repository.perpus.iainsalatiga.ac.id/10373
http://e-repository.perpus.iainsalatiga.ac.id/10984