http://e-repository.perpus.iainsalatiga.ac.id/12540
http://e-repository.perpus.iainsalatiga.ac.id/12730
http://e-repository.perpus.iainsalatiga.ac.id/13313
http://e-repository.perpus.iainsalatiga.ac.id/13758
http://e-repository.perpus.iainsalatiga.ac.id/14006
http://e-repository.perpus.iainsalatiga.ac.id/14198