http://e-repository.perpus.iainsalatiga.ac.id/17716
http://e-repository.perpus.iainsalatiga.ac.id/1794611
http://e-repository.perpus.iainsalatiga.ac.id/18571
http://e-repository.perpus.iainsalatiga.ac.id/18316
http://e-repository.perpus.iainsalatiga.ac.id/18590
http://e-repository.perpus.iainsalatiga.ac.id/19324