by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Prof. DR. Taliziduhu Ndraha $7.00
by Bertram $9.00
by F.X. Djumialdji, S.H $7.00
by Ir. Respati $7.00
by Bustamin & M. Isa H.A. Salam $6.00