by M. Aleq Sander, S.Dr $22.00
by Aziz Alimul $11.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Budi Tri Akoso $0.00
by Prof. F.J. Benneth $6.00
by Hilman Hariwijaya & Boim Lebon $6.00