by Prof. Dr. Hj. Sutyastie Soemitro Remi & Prof. Dr. P. Tjiptoherjanto
$7.00

by Claude P. Wratal
$13.00

by Drs. Amin Widjaja Tunggal, Ak., M.B.A
$12.00

by Drs. H. Burhanuddin Salam, M.M
$9.00

by Drs. G. Kartasapoetra
$7.00

by C. Rollin Niswonger
$12.00