by Donald L. Levene & John L. Provan, MD $5.00
by Nursalam $9.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Hilman, Boim & Gusur $5.00
by Aziz Alimul $7.00
by Neil Gaiman $11.00