by Djoko Prakoso, S.H $7.00
by Syahrin Harahap $9.00
by Prof. J. Suprapto, M.A. APU $11.00
by Harry Simons $12.00
by M. Ghufron H. Kordi K $9.00
by Drs. Daryanto $13.00
by Dra. L. Simanjuntak $7.00