TY - JOUR AU - Fiderman Machuca-Martínez; Universidad del Valle, Colombia AU - José Ángel Colina-Márquez; Universidad de Cartagena, Colombia PY - 2011 UR - http://hdl.handle.net/10584/4161 LA - spa PB - Universidad del Norte TI - Effect of the initial pH and the catalyst concentration on TiO2-based photocatalytic degradation of three commercial pesticides ER -