http://e-repository.perpus.iainsalatiga.ac.id/12839
http://e-repository.perpus.iainsalatiga.ac.id/12847
http://e-repository.perpus.iainsalatiga.ac.id/13357
http://e-repository.perpus.iainsalatiga.ac.id/13059
http://e-repository.perpus.iainsalatiga.ac.id/13452
http://e-repository.perpus.iainsalatiga.ac.id/20045