Forestry for people and nature field research and theory on environment and development in the Cagayan Valley, Philippines. (Isabela Cagayan Valley Programme on Environment and Development, Isabela State University, 1992)
"A joint undertaking of Centre for Environment Science, Leiden University, the Netherlands, College of Forestry, Isabela State University, Philippines".
Keywords: Environmental protection -- Research; Forests and forestry; Forestry law and legislation; Forests and forestry -- Research