by Ir. Nur Tjahjadi $5.00
by Dr. M. Mursid $7.00
by Dr. Hj. Zaitunah Subhan $7.00
by Hermawan Kartajaya & Yuswohady $11.00
by Ir. Suharto $6.00
by Thomas Keating $6.00
by Abdul Manaf $8.00
by Drs. Hendrojogi, MSc $11.00
by Drs. H.A.F. Idris $11.00