by Budhy Munawar Rachman $13.00
by J. Heinrich Arnold $4.00
by dr. Yoannes Y. Laban $5.00
by Anthony F. Chiffolo $4.00
by Ir. Abbas Siregar Djarijah $6.00
by Sei H. Dt. Tombak Alam $6.00
by Arief, Sritua $6.00
by Drs. G. Kartasapoetra $7.00
by Drs. Johansyah Lubis, M.Pd $7.00
by Prayoga Utama $9.00
by S. Soegijanto $11.00
by Ir. M. Lies Suprapti $6.00