by Dr. Lijan Poltak Sinambel, M.M., M.Pd., dkk $9.00
by Wahyu Wibowo $9.00
by Walter Lippmann $6.00
by Dra. Ninik Widiyanti, Yulius Waskita, S.H $7.00
by Drs. Syaiful Bahri Djamarah $9.00
by $11.00