by Y. I. Iswarahadi, SJ. $4.00
by Dr. P. J. Suwarno, S.H $13.00
by Ir. Arifin Arief, M. P $5.00
by Anton Gerbono & Abbas Siregar Djarijah $6.00
by A. Gianto, SJ. $6.00
by Dr. Al. Purwa Hadiwardoyo, MSF. $4.00