by A. Widyamartaya, B.A $4.00
by Drs. Al. Amin Susanto $4.00
by ISEI $18.00
by Haryoto $5.00
by Ir. H. Rahmat Rukmana, MBA., MSc. $6.00
by L. Prasetya, Pr. $6.00
by $20.00
by H. Salim HS. S.H., M.S. $11.00
by Suharto $5.00
by Dr. G. Kartasapoetra dan H. Marsetyo $7.00
by Prof. Dr. Soekidjo Notoatmodjo $9.00
by Prof. Dr. Sri Mulyani E. S $12.00