by Brooks $20.00
by Dr. Menaldi Rasmin, SpP(K), FCCP $5.00
by J.M. Nedzelski, MD $5.00
by Dr. Moses Wong $6.00
by Sartono & Marina Lubniar Sartono $10.00
by Drs. Suwarna Pringgawidagda, M.Pd $18.00
by Prof. dr. Peter Kabo Ph.D., dr. Sjukri Karim $7.00