by Hagen Berndt $7.00
by Stallings $18.00
by WK $16.00
by $7.00
by Ir. M. Lies Suprapti $6.00
by E. Martasudjito, Pr $10.00
by Due, John F $11.00
by Drs. Heryando Palar, Drs. Asman Riald $12.00
by Pranadjaja $7.00
by Nugroho Nurarifin $11.00
by Editor: Indra J. Piliang, T.A. Legowo $11.00