by Djoehana Setyamidjaja, M.Ed $7.00
by Michaelene Mundy $6.00
by St. Darmawijaya, Pr. $4.00
by Ir. Lisdiana Fachruddin $6.00
by ISEI $25.00
by Joos van Vugt $7.00
by Drs. Muhammad Kemal Dermawan $5.00
by Barda Nawawi Arief $7.00
by Asghar A. Engineer $6.00
by Wiwoho Soedjono, S.H $6.00
by - $6.00
by Nh. Dini $7.00