by Dr. CB. Kusmaryanto, SCJ $7.00
by Drs. Agus M. Hardjana, M.Sc., Ed $5.00
by Dr. Muslim Nasution $6.00
by $6.00
by A. Margana $6.00
by Halimuddin, S.H $7.00
by Dr. Yekti Maunati $9.00
by John H. Procton $7.00