http://e-repository.perpus.iainsalatiga.ac.id/19081
http://e-repository.perpus.iainsalatiga.ac.id/19369
http://e-repository.perpus.iainsalatiga.ac.id/18949
http://e-repository.perpus.iainsalatiga.ac.id/19348
http://e-repository.perpus.iainsalatiga.ac.id/19355
http://e-repository.perpus.iainsalatiga.ac.id/19149