http://e-repository.perpus.iainsalatiga.ac.id/14617
http://e-repository.perpus.iainsalatiga.ac.id/18284
http://e-repository.perpus.iainsalatiga.ac.id/18737
http://e-repository.perpus.iainsalatiga.ac.id/17716
http://e-repository.perpus.iainsalatiga.ac.id/17778
http://e-repository.perpus.iainsalatiga.ac.id/17642