Author:Ricardo Portilla Castañeda

Publications
Contamination of Karstic Aquifers by Infiltration of Milk Serum, Caseríos San Francisco, Florida and Vigaspampa, Celendín – Cajamarca 2021 Luis Antonio Chavez Carranza, Katherine Elizabeth Salazar Bustos, Daniel Alva Huamán and Ricardo Portilla Castañeda EasyChair Preprint 7472
Contamination of Karstic Aquifers by Infiltration of Milk Serum, Caseríos San Francisco, Florida and Vigaspampa, Celendín – Cajamarca 2021 Luis Antonio Chavez Carranza, Katherine Elizabeth Salazar Bustos, Daniel Alva Huamán and Ricardo Portilla Castañeda EasyChair Preprint 7472