by Ir. Budi Samadi $6.00
by Ir. Ibnu Dwi Buwono, M.Si $7.00
by Djoehana Setyamidjaja, M.Ed $7.00
by Drs. Thohir Luth, M.A., dkk $6.00
by Said Hawwa $16.00
by A. Sumarwan, SJ $0.00