The Philippines Recommends For Watershed Management/
Department Of Science And Technology -Philippine Council for Agriculture Aquatic and Natural Resources Research and Development;
The Philippines Recommends For Watershed Management/ Department Of Science And Technology -Philippine Council for Agriculture Aquatic and Natural Resources Research and Development; - Manila ; Department Of Science And Technology -Philippine Council for Agriculture Aquatic and Natural Resources Research and Development; [c1991];
The Philippines Recommends For Watershed Management/ Department Of Science And Technology -Philippine Council for Agriculture Aquatic and Natural Resources Research and Development; - Manila ; Department Of Science And Technology -Philippine Council for Agriculture Aquatic and Natural Resources Research and Development; [c1991];