http://e-repository.perpus.iainsalatiga.ac.id/14340
http://e-repository.perpus.iainsalatiga.ac.id/14584
http://e-repository.perpus.iainsalatiga.ac.id/14530
http://e-repository.perpus.iainsalatiga.ac.id/14737
http://e-repository.perpus.iainsalatiga.ac.id/14578