by Ir. Moehar Daniel, M.S $7.00
by Drs. H. Abu Ahmadi $9.00
by Drs. Soemarso, S.R $16.00
by Dra. Ninik Widiyanti, Yulius Waskita, S.H $7.00
by Prof. DR. Taliziduhu Ndraha $13.00
by Prof. I. R. Poedjawiyatna $7.00