by Marilyn Gustin $6.00
by Hasan Hanafi $7.00
by Drs. FXS. Purwaharsanto, LIC. I. C. $4.00
by Disampaikan Oleh Dr. Ahzami S. Jazuli $6.00
by Prof. Dr. Zaghloul an-Najjar $6.00
by Dr. Al. Purwa Hadiwardoyo, MSF. $3.00
by Sitor Situmorang $12.00
by Ir. Mul Muyani Sutedjo $7.00
by Dr. Ir. M. Imadduddin Abdul Rahim, M.Sc $7.00
by Imelda Akmal $6.00