by Aziz Alimul $9.00
by Dr. Ang Peng Tiam $9.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $5.00
by S. Soegijanto $11.00
by Prof. dr. Sarwono Waspadji, Prof. dr. Slamet Suyono $9.00