Peña Velasquez, Pedro Isac, and Gladys S. Licapa-Redolfo. 2024. “Determination of Microplastics in Sediments of the Mashcón River, Cajamarca - Perú 2023”. LACCEI 1 (10). https://doi.org/10.18687/LACCEI2024.1.1.207.