by Ir. Hieronymus Budi Santoso $5.00
by Ir. Abbas Siregar Djarijah $6.00
by Jamilah Jones Abu Aminah Bilal Philips $6.00
by N. Edy Soetanto, BE. $5.00
by Yustinus Sumantri Hp., SJ. $7.00
by Prof. H.M. Arifin, M.Ed $7.00