DE LA CRUZ MENA, Doris; ARNAUT AGRAMONTE, María Cristina; ROMÁN SANTANA, Wanda Marina; MARTÍNEZ ALONZO, Judith Marcela. Comparative analysis of physical and chemical contamination levels in the Ozama River using the x-ray fluorecence technique, period 2020 to 2024. MENTOR revista de investigación educativa y deportiva , [S. l.], v. 3, n. 8, p. 341–363, 2024. DOI: 10.56200/mried.v3i8.8086. Disponível em: https://revistamentor.ec/index.php/mentor/article/view/8086. Acesso em: 21 apr. 2026.