by Drs. H. Abu Ahmadi $11.00
by Tobi Moektijono $6.00
by Prof. Dr. H. Jalaluddin $7.00
by M. Ghufron H. Kordi K $7.00
by Prof. Drs. H. A. W. Widjaja $9.00
by Ir. Kaslan A. Tohir $12.00
by A. Tresna Sastrawijaya, M.Sc $7.00
by Prof. Dr. S. Nasution, M.A. $7.00
by WK $16.00
by Ariesto Hadi $16.00
by WK $13.00
by MOCH. FAKHRUROJI $7.00