http://e-repository.perpus.iainsalatiga.ac.id/14170
http://e-repository.perpus.iainsalatiga.ac.id/14258
http://e-repository.perpus.iainsalatiga.ac.id/14325
http://e-repository.perpus.iainsalatiga.ac.id/15292
http://e-repository.perpus.iainsalatiga.ac.id/14736
http://e-repository.perpus.iainsalatiga.ac.id/15103