http://e-repository.perpus.iainsalatiga.ac.id/19013
http://e-repository.perpus.iainsalatiga.ac.id/19033
http://e-repository.perpus.iainsalatiga.ac.id/18846
http://e-repository.perpus.iainsalatiga.ac.id/19900
http://e-repository.perpus.iainsalatiga.ac.id/20090
http://e-repository.perpus.iainsalatiga.ac.id/19914