by H. Rahmat Rukmana $5.00
by Ir. Kaslan A. Tohir $9.00
by M. Boulanger Parisien & Drs. Djalinus S $16.00
by Dra. L. Simanjuntak $7.00
by Drs. Rudy T. Erwin, S.H $6.00
by Ir. Hatta Sunanta, B.Sc., MS $5.00
by $20.00
by Sri Whidarto $9.00
by Abdurrazak Naufal, Terj. H.A. Bukhari $7.00
by Prof. Dr. Prayitno $9.00
by Rosyidi, Muchtar $9.00
by Wulandari Ekasari & Amatullah Shafiyyah $6.00