http://e-repository.perpus.iainsalatiga.ac.id/9900
http://e-repository.perpus.iainsalatiga.ac.id/9870
http://e-repository.perpus.iainsalatiga.ac.id/9904
http://e-repository.perpus.iainsalatiga.ac.id/9877
http://e-repository.perpus.iainsalatiga.ac.id/10095