http://e-repository.perpus.iainsalatiga.ac.id/17510
http://e-repository.perpus.iainsalatiga.ac.id/17363
http://e-repository.perpus.uinsalatiga.ac.id/17948/
http://e-repository.perpus.iainsalatiga.ac.id/18571
http://e-repository.perpus.iainsalatiga.ac.id/18316
http://e-repository.perpus.iainsalatiga.ac.id/17948