by Freemont E. Kast $13.00
by Frans M. Royan $7.00
by Drs. Ec. Suyadi Prawirosentono, M.B.A $7.00
by Milton Chen, Ph.D. $6.00
by Choromaster $2.69
by Tim Kongres Bhs. Jawa $12.00
by Greeg Brittenham $7.00