by Aziz Alimul $7.00
by Dr. Stephen Juan $11.00
by Dr. W. Herdin Sibuea., dkk $7.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Dr. Ronald Hutapea, SKM, Ph.D $9.00
by Aditama, Tjandra Yoga $5.00