Published in Manila Times (2003)

Published 2003

Published 2003

Published 2003

Published 2003

Published 2003

Published in Animal Scene (2003)

Published in Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) (2003)

Published in Philippine Agricultural Scientist, The (Formerly the Philippine Agriculturist) (2003)

Published in Compendium of Human Ecology Researches in the Philippines (2003)