http://e-repository.perpus.iainsalatiga.ac.id/18559
http://e-repository.perpus.iainsalatiga.ac.id/18720
http://e-repository.perpus.iainsalatiga.ac.id/19459
http://e-repository.perpus.iainsalatiga.ac.id/19990
http://e-repository.perpus.iainsalatiga.ac.id/20099
http://e-repository.perpus.iainsalatiga.ac.id/19262