by Louis Irving Horowitz $12.00
by Ir. Kaslan A. Tohir $9.00
by A. Tresna Sastrawijaya, M.Sc $9.00
by Bahtiar Effendy Dkk $11.53
by W. James Popham $7.00
by Prijono Tjiptoherijanto, S.E, M.A, Ph.D $11.00