Published in Sylvatrop (2020)

Published in Philippine Star (2020)

Published in Philippine Review of Economics (2016)

Published in Bulletin of the American Historical Collection (2011)

Published in Philippine Daily Inquirer (2008)

Published in IBON Facts & Figures Special Release (2006)

Published in Manila Times (2003)

Published in Philippine Journal of Development (2002)

Published in Animal Husbandry & Agricultural Journal (2000)

Published in Philippine Star (2000)