Published in Philippine Engineering Journal (2002)

Published in Kabayan (2002)

Published 2001

Published 2001

Published 2001

Published in Journal of the Philippine Association for Technology in Home Economics in State Colleges and Universities, Inc. (2001)

Published 2000

Published in Journal of Environmental Science and Management (2000)

Published in Animal Husbandry & Agricultural Journal (2000)

Published 1999