http://e-repository.perpus.iainsalatiga.ac.id/19399
http://e-repository.perpus.iainsalatiga.ac.id/19178
http://e-repository.perpus.iainsalatiga.ac.id/19057
http://e-repository.perpus.iainsalatiga.ac.id/19359
http://e-repository.perpus.iainsalatiga.ac.id/19459