by Drs. Agus M. Hardjana, M.Sc., Ed $3.00
by Abdul Munir Mulkhan $7.00
by Djoehana Setyamidjaja, M.Ed $6.00
by Ir. Hieronymus Budi Santoso $5.00
by Ashari, Sumeru $9.00
by Ir. Heinz Frick & Ch. Koesmartadi $6.00
by Warisno $6.00