by Drs. Ibnu Syamsi, S.U $6.00
by Capt. Hananto Soewedo $9.00
by Suhardjo $6.00
by Muda Markus $20.00
by Steve Kaplan $11.00
by Jajat Burhanudin $11.00
by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00