http://e-repository.perpus.iainsalatiga.ac.id/17437
http://e-repository.perpus.iainsalatiga.ac.id/17443
http://e-repository.perpus.iainsalatiga.ac.id/16797
http://e-repository.perpus.iainsalatiga.ac.id/15903
http://e-repository.perpus.iainsalatiga.ac.id/16032
http://e-repository.perpus.iainsalatiga.ac.id/15900