by M. Yahya Harahap, S. H. $18.00
by Iman Purwanto $0.00
by H. Rahmat Rukmana $5.00
by Taufiq Hamami $11.00
by C. Hanny Indraswari, SE $5.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $5.00
by Aziz Alimul $9.00