Published in Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) (2000)

Published in Tao-Kalikasan (2000)

Published in Manila Bulletin (2000)

Published in Philippine Star (1999)

Published in Philippine Star (1999)

Published in Manila Times (1999)

Published in Manila Times (1999)

Published 1999

Published in International Rice Research Notes (1999)

Published in Philippine Daily Inquirer (1999)