http://e-repository.perpus.iainsalatiga.ac.id/10595
http://e-repository.perpus.iainsalatiga.ac.id/10164
http://e-repository.perpus.iainsalatiga.ac.id/9981
http://e-repository.perpus.iainsalatiga.ac.id/9678
http://e-repository.perpus.iainsalatiga.ac.id/9966