http://e-repository.perpus.iainsalatiga.ac.id/14088
http://e-repository.perpus.iainsalatiga.ac.id/14097
http://e-repository.perpus.iainsalatiga.ac.id/13432
http://e-repository.perpus.iainsalatiga.ac.id/13276
http://e-repository.perpus.iainsalatiga.ac.id/13289
http://e-repository.perpus.iainsalatiga.ac.id/13979