by Prof. dr. Agus Firmansyah, Prof. dr. Husein Alatas $5.00
by Nursalam $12.00
by WK $11.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Ansel, Howard C. $11.00
by P.L. Chan, MD & GA Taylor, MD $5.00