by Prof. S.H. Rewoldt
$6.00

by Prof. Dr. h. Sunarto dan Dra. Ny. B. Agung Hartono
$9.00

by Drs. Domi C. Matutina
$12.00

by Adolf Schacfht, Drs. Hafifi
$20.00

by Drs. Amin Widjaja Tunggal, Ak., M.B.A
$6.00

by Muhaimin
$9.00