http://e-repository.perpus.iainsalatiga.ac.id/10164
http://e-repository.perpus.iainsalatiga.ac.id/10787
http://e-repository.perpus.iainsalatiga.ac.id/10963
http://e-repository.perpus.iainsalatiga.ac.id/11093
http://e-repository.perpus.iainsalatiga.ac.id/9739
http://e-repository.perpus.iainsalatiga.ac.id/10922