http://e-repository.perpus.iainsalatiga.ac.id/10179
http://e-repository.perpus.iainsalatiga.ac.id/10550
http://e-repository.perpus.iainsalatiga.ac.id/10204
http://e-repository.perpus.iainsalatiga.ac.id/10954
http://e-repository.perpus.iainsalatiga.ac.id/10822
http://e-repository.perpus.iainsalatiga.ac.id/10608