by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by Drs. Slamet Santoso $6.00
by Drs. Abas Kartadinata $13.00
by Yusran Pora $7.00
by Prof. Dr. J. Winardi, SE $9.00
by Dr. Arthur M. Whitehill $7.00
by Vollmar, IS Adiwimarta $7.00