by Prof. dr. Peter Kabo Ph.D., dr. Sjukri Karim $7.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Reeves $13.00
by DR. Dr. Sidartawan Soegondo, SpPD-KEMP, FACE $11.00
by dr. Keneth Iyan, dkk. $9.00
by Dr. Moses Wong $6.00