Abstract
López, O. (1977). El agua en la zona metropolitana de San Salvador. ECA: Estudios Centroamericanos, 32(342-343), 291-296. https://doi.org/10.51378/eca.v32i342-343.7633
ECA Estudios Centroamericanos, Vol. 78, No. 775, 2023: 89-94.
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