The green machine a primer on our forest resources - Philippines. Department of Natural Resources (Quezon City DNR, 1979)
"T.R.E.E.S. : Total Reforestration Effort for Effort for Ecological Stability."
Keywords: Forests and forestry -- Philippines -- Handbooks, manuals, etc; Forest conservation -- Philippines -- Handbooks, manuals, etc; Forest ecology -- Philippines -- Handbooks, manuals, etc