http://e-repository.perpus.iainsalatiga.ac.id/10343
http://e-repository.perpus.iainsalatiga.ac.id/10371
http://e-repository.perpus.iainsalatiga.ac.id/10470
http://e-repository.perpus.iainsalatiga.ac.id/10532
http://e-repository.perpus.iainsalatiga.ac.id/10354