Published 1999

Published in Metro (1999)

Published in Milepost (1999)

Published in Milepost (1999)

Published in Journal on Environment, Energy and Minerals (1999)

Published in Journal on Environment, Energy and Minerals (1999)

Published in Philippine Peasant Institute Briefing Paper (1999)

Published in Manila Bulletin (1999)

Published in Manila Bulletin (1999)

Published in Manila Bulletin (1999)