Knowledge, Attitude and Eco-Efficiency Urban Environment in the Inhabitants of the District of Chilca – Peru. Journal of Educational and Social Research, London, U.K., v. 12, n. 1, p. 204, 2022. DOI: 10.36941/jesr-2022-0017. Disponível em: https://www.richtmann.org/journal/index.php/jesr/article/view/12793.. Acesso em: 1 may. 2024.