by Richard G. Lipsey & Peter O. Steiner $16.00
by ISEI $12.00
by Ruiter, D. $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Swasono, Sri-Edi $6.00
by Rudi S. Pontoh $7.00