http://e-repository.perpus.iainsalatiga.ac.id/14214
http://e-repository.perpus.iainsalatiga.ac.id/14090
http://e-repository.perpus.iainsalatiga.ac.id/14315
http://e-repository.perpus.iainsalatiga.ac.id/14272
http://e-repository.perpus.iainsalatiga.ac.id/15111