H. Castillo

Nutrient and sediment concentrations in the Pagsanjan–Lumban catchment of Laguna de Bay, Philippines

D. Oliver, R. Kookana, P. Sanchez, 2012 .

Decentralization and environmentally sound decision making : policy implications

H. Castillo, 2007 .

Pagsanjan-Lumban catchment, Philippines: Summary of biophysical characteristics of the catchment, background to site selection and instrumentation

E. C. Hernandez, R. Cruz, M. Pillas, 2012 .

Analysis of *Policy Alternatives in the Implementation of a Coastal Nonpoint Pollution Control Program for Agriculture.

H. Castillo, 1999 .

The impact of liquefied petroleum gas usage on air quality in Mexico City

U. González, U. González, J. Gasca, 2004 .