http://e-repository.perpus.iainsalatiga.ac.id/10561
http://e-repository.perpus.iainsalatiga.ac.id/10249
http://e-repository.perpus.iainsalatiga.ac.id/10911
http://e-repository.perpus.iainsalatiga.ac.id/11020
http://e-repository.perpus.iainsalatiga.ac.id/12273
http://e-repository.perpus.iainsalatiga.ac.id/12456