by Dr. R. Hutapea, SKM, Ph.D $7.00
by R. Zein, S.H., M.S $7.00
by Elise T. Sulistini, dkk $7.00
by Drs. Syaiful Bahri Djamarah $7.00
by Drs. Djalinus Syah., dkk $11.00
by Halimuddin, S.H $7.00