http://e-repository.perpus.iainsalatiga.ac.id/10034
http://e-repository.perpus.iainsalatiga.ac.id/9995
http://e-repository.perpus.iainsalatiga.ac.id/9835
http://e-repository.perpus.iainsalatiga.ac.id/9950
http://e-repository.perpus.iainsalatiga.ac.id/10370