by Robert H. Lauer $13.00
by YW. Sunindhia, S.H $9.00
by Drs. Yayan Sutrian $9.00
by Ir. Yushinta Fujaya, M.Si $7.00
by Drs. Save M. Dagun $9.00
by Prof. J. Suprapto, M.A. APU $11.00
by G. Kartasapoetra dan Dra. Hartini $13.00