GATT-WTO and the Philippine environment policy safeguards to ensure an environment-friendly competitiveness in world trade 著者: Malayang, Ben S., Rañola, Roberto F., Zamora, Oscar B., Contreras, Antonio P., Cuevas, Rodolfo E., Espaldron, Ma. Victoria O., Flor, Alexander G., Ruscoe, Mariliza T., Ongkiko, Ila Virginia C., duma, Jesus C.