by Thabrani, Seno Adjie $9.00
by Drs. Suyadi Prawirosentono, MBA $0.00
by Stallings $18.00
by Bambang Dwiloka & Rati Riana $9.00
by Kamarwan, Sidharta S $7.00
by Ir. M. Lies Suprapti $6.00
by Al. Wahjasudibja, Pr. $12.00