by Ralph Estes $13.00
by Dr. B. Siswanto Sastrohadiwiryo $9.00
by Drs. Saliman, Drs. Sudarsono, S.H $9.00
by Sergio Zyman $9.00
by Drs. G. Kartasapoetra $12.00
by Iwan Yusi, S.Pd $7.00