http://e-repository.perpus.iainsalatiga.ac.id/12487
http://e-repository.perpus.iainsalatiga.ac.id/12015
http://e-repository.perpus.iainsalatiga.ac.id/12516
http://e-repository.perpus.iainsalatiga.ac.id/12335
http://e-repository.perpus.iainsalatiga.ac.id/13057
http://e-repository.perpus.iainsalatiga.ac.id/13249