http://e-repository.perpus.iainsalatiga.ac.id/9946
http://e-repository.perpus.iainsalatiga.ac.id/9981
http://e-repository.perpus.iainsalatiga.ac.id/9810
http://e-repository.perpus.iainsalatiga.ac.id/9966
http://e-repository.perpus.iainsalatiga.ac.id/9678