por Spe Asia pacific oil & gas conference and exhibition (16-18- october 2000 : Brisbane, Australia).
por Asia Pacific Oil & Gas Conference and Exhibition (1998 : Perth, Western Australia) | Society of Petroleum Engineers (Estados Unidos).
por Asia Pacific Oil & Gas Conference and Exhibition (2002 : Me-lbourne, Australia).
por SPE Asia Pacific Oil & Gas Conference and Exhibition (17-19- Apeil 2001 : Jakarta, Indonesia).
por Asia Pacific Oil & Gas conference and exhibition.