http://e-repository.perpus.iainsalatiga.ac.id/18344
http://e-repository.perpus.iainsalatiga.ac.id/18558
http://e-repository.perpus.iainsalatiga.ac.id/18266
http://e-repository.perpus.iainsalatiga.ac.id/18813
http://e-repository.perpus.iainsalatiga.ac.id/19081
http://e-repository.perpus.iainsalatiga.ac.id/19487