by Ernest & Sri Mariyanto $4.00
by $7.00
by C. Hanny Indraswari, SE $5.00
by Al. Wahjasudibja, Pr. $10.00
by Djoehana Setyamidjaja, M.Ed $7.00
by Ir. Hieronymus Budi Santoso $5.00
by Prof. Mr. Dr. Sudargo Gautama $5.00
by Suhardi $5.00
by H. Abu Daud Busroh $9.00
by Mel Levina, M.D. $13.00
by Robert W. Hefner $16.00
by Suhrawardi K. Lubis, S. H. $9.00