http://e-repository.perpus.iainsalatiga.ac.id/12495
http://e-repository.perpus.iainsalatiga.ac.id/12771
http://e-repository.perpus.iainsalatiga.ac.id/13156
http://e-repository.perpus.iainsalatiga.ac.id/12978
http://e-repository.perpus.iainsalatiga.ac.id/13297
http://e-repository.perpus.iainsalatiga.ac.id/13610