by Haryoto $5.00
by Ray Levy Ph.D $9.00
by Thomas Keating $3.00
by Fachruddin H.S $18.00
by Ir. M. Lies Suprapti $7.00
by Kartini Kartono $9.00
by Dr. Ahmad Hasan $13.00
by E. Martasudjito, Pr $10.00