by Drs. Suyadi Prawirosentono, MBA $7.00
by Syam Hardy $7.00
by Prof. Dr. S. Nasution, M.A. $6.00
by Robert L. Heilbroner $12.00
by Ir. Joko Mulyanto $5.00
by Made Astawan & Andreas Leomitro Kasih $12.00