http://e-repository.perpus.iainsalatiga.ac.id/11801
http://e-repository.perpus.iainsalatiga.ac.id/11893
http://e-repository.perpus.iainsalatiga.ac.id/10817
http://e-repository.perpus.iainsalatiga.ac.id/10881
http://e-repository.perpus.iainsalatiga.ac.id/11748
http://e-repository.perpus.iainsalatiga.ac.id/11992