by OKT $8.00
by Slamet Soetrisno $6.00
by Drs. H.M. Sudar Siandes, MM $7.00
by Dra. Ninik Widiyanti dan YW. Sunindhia, S.H $11.00
by Lester R. Brown $21.00
by Dr. Sirajuddin Zar $6.00