by Alwi Alatas $7.00
by Prof. Dr. J. Winardi, SE $9.00
by Drs. Herman Darmawi $9.00
by Drs. Marcel Go, M.S $7.00
by Al Ries, Laura Ries $7.00
by John Adair $6.00
by Taryana Soenandar, S. H. $9.00