http://e-repository.perpus.iainsalatiga.ac.id/12540
http://e-repository.perpus.iainsalatiga.ac.id/12730
http://e-repository.perpus.iainsalatiga.ac.id/13423
http://e-repository.perpus.iainsalatiga.ac.id/13427
http://e-repository.perpus.iainsalatiga.ac.id/14198
http://e-repository.perpus.iainsalatiga.ac.id/14070