Veneros Urbina, B., Amaya Alvarado, P., Chuan Torres , Y.A. e Manchay Hernández, C. 2020. Characterisation and opportunities for improvement of solid waste in an educational institution, La Esperanza (Trujillo-Peru), 2019. Puriq. 2, 3 (jul. 2020), 222–232. DOI:https://doi.org/10.37073/puriq.2.3.96.