by $7.00
by Nursalam $12.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $5.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $6.00
by Katzung $26.00
by Donald L. Levene & John L. Provan, MD $5.00