http://e-repository.perpus.iainsalatiga.ac.id/13991
http://e-repository.perpus.iainsalatiga.ac.id/14527
http://e-repository.perpus.iainsalatiga.ac.id/14629
http://e-repository.perpus.iainsalatiga.ac.id/15296
http://e-repository.perpus.iainsalatiga.ac.id/15265