by Ir. Moehar Daniel, M.S $7.00
by Prof. Ir. Zoer'ani Djamal Irwan, M.Sc $9.00
by Drs. Suyadi Prawirosentono, MBA $11.00
by Sridadi $6.00
by $12.00
by AAK $6.00
by Dr. Ali Abdul Halim Mahmud $11.00