by dr. St. Arif Haliman, MPH dkk $4.00
by John C. Torney $6.00
by Marsana Windhu $3.00
by Aziz Alimul $11.00
by Dr. P. A. van Der Weij $7.00
by $4.00
by Brooks $18.00
by Drs. Sarwono Pusposaputro $11.00
by Ratih Kumala $7.00