by Ir. Kukuh S. Dewobroto, dkk $7.00
by Prof. J. Suprapto, M.A. APU $16.00
by Y.W. Sunindhia, S.H $7.00
by Sitor Situmorang $12.00
by Drs. Amin Wijaja Tunggal, M.B.A $6.00
by Jaka Subrata $6.00