SÁNCHEZ ARAUJO, V. G.; CHÁVEZ, E. R.; GARAYAR, H. G.; ÁLVAREZ, A.; LACHO, P.; MANRIQUE, A. R. ICHU RIVER WATER QUALITY IN URBAN AREAS OF THE DISTRICT OF HUANCAVELICA ACCORDING TO ICA-NSF. Revista de investigación científica siglo XXI, [S. l.], v. 1, n. 1, p. 53–60, 2021. DOI: 10.54943/rcsxxi.v1i1.10. Disponível em: https://revistas.unh.edu.pe/index.php/rcsxxi/article/view/10. Acesso em: 17 may. 2024.