by Anggorodi, R $6.00
by Imam Subkhan $7.00
by Don W.S., Threes Emir, dan Cherry H $13.00
by Ir. Loekas Soesanto, M.S., Ph.D $11.00
by Anselm Grun, OSB. $3.00
by Drs. E. Sumaryono, MA $7.00