by Nachrowi Djalal N $11.00
by Ibrahim Muhammad Jamal $7.00
by Michael C. Desch $7.00
by Prof. DR. dr. S.M. Lumbantobing, SpS(K), SpKJ $6.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $6.00
by Syaifuddin $12.00