by Ir. H. Rahmat Rukmana, MBA., M.Sc. & Uu Sugandi Saputra, B.Sc $6.00
by Ir. H. Rahmat Rukmana $6.00
by H. Rahmat Rukmana $5.00
by Muhammad Noor $9.00
by Djoehana Setyamidjaja, M.Ed $7.00
by Anthony De Mello, SJ. $4.00