by Drs. Robinson Tarigan $9.00
by Kurtines, William M. & Jacob L. Gerwitz $11.00
by Arief, Sritua $6.00
by Drs. Hasrullah MA $7.00
by JA Noertjahyo $11.00
by Dra. Ninik Widiyanti, Yulius Waskita, S.H $7.00