by Drs. Suwarna Pringgawidagda, M.Pd $18.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Michael J. Tang $13.00
by Drs. H. Abu Ahmadi $11.00
by Drs. Sudarsono, S.H., M.Si, dkk $9.00
by Olivier J $12.25