by F. Suryatmo $6.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by C. Rollin Niswonger $12.00
by Prof. Djaali $0.00
by Drs. Ahmad Amir Aziz, M.Ag $6.00
by Eddy Tano, Dipl. Chem. Eng. $9.00