Chavarria, H. (2008). Detection of pesticide trails in groundwater in some agricultural settlements of the Quibor valley. Lara state. Universidad Centroccidental Lisandro Alvarado - Decanato de Ingeniería Civil.
Dyfyniad Arddull ChicagoChavarria, Humberto. Detection of Pesticide Trails in Groundwater in Some Agricultural Settlements of the Quibor Valley. Lara State. Universidad Centroccidental Lisandro Alvarado - Decanato de Ingeniería Civil, 2008.
Dyfyniad MLAChavarria, Humberto. Detection of Pesticide Trails in Groundwater in Some Agricultural Settlements of the Quibor Valley. Lara State. Universidad Centroccidental Lisandro Alvarado - Decanato de Ingeniería Civil, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.