by - $16.00
by - $18.00
by Drs. Misdyanti dan R.G. Kartasapoetra, S.H $7.00
by - $6.00
by Akhmad Zaini Abar $6.00
by A. Pambudi $11.00
by $12.00
by Dr. S. Prawirasusanto, M.Sc., dkk $9.00
by M. Yatimin Abdullah $18.00
by Ir. F.X. Susanto Tumpal HS. Siregar $5.00
by Ir. Sujamto $7.00
by Ir. H. Rahmat Rukmana & Yuyun Y $6.00