by Dr. A. Supratiknya $6.00
by $4.00
by Ir. Kaslan A. Tohir $12.00
by Yudhis M.Burhanuddin $10.00
by AAK $7.00
by Drs. Wishnubroto Widarso $5.00
by Prof. Dr. Husaini Usman, M.Pd & R. Purnomo Setiady Akbar, S.Pd., M.Pd $11.00
by Koestoer, Raldi Hendro $7.00
by WK $13.00
by - $11.00
by Ibnu Hamad $9.00