by $20.00
by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00
by N. John Myer $12.00
by Drs. Abdul Chaer $7.00
by Drs. Andi Baso Mappatato, M.A. $6.00
by Soegijatna Tjakranegara, S.H $9.00