http://e-repository.perpus.iainsalatiga.ac.id/8345
http://e-repository.perpus.iainsalatiga.ac.id/8695
http://e-repository.perpus.iainsalatiga.ac.id/8537
http://e-repository.perpus.iainsalatiga.ac.id/8648
http://e-repository.perpus.iainsalatiga.ac.id/8997