by Thompson Ngoen $12.00
by Gilang Priyadi S $11.00
by Ir. Rustam Hakim, M.T., IALI $9.00
by Haryoto $5.00
by Prof. Dr. Makmur, M.Si $7.00
by Dr. Nurdin Muhammad Suin $7.00
by Prof. Dr. J.E. Sahetapy, S.H. $3.00
by $0.00
by Aziz Alimul $9.00
by WK $13.00