by WK $12.00
by Prof. dr. Arjatmo Tjokronegoro, Ph.D $5.00
by WK $11.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by AM Fatwa $11.00
by Wiranto Arismunandar $12.00
by Drs. G. Kartasapoetra $7.00
by Ir. Setijo Pitojo $6.00
by Hilman Hariwijaya & Boim Lebon $6.00
by $6.00