Piracón, John Alexander Benavides, and María Amparo Lozada. “Practice Spraying Pesticides Among Potato Producers, Knowledge and Beliefs about Pesticides and Health”. Tempus – Actas De Saúde Coletiva ISSN 1982-8829, vol. 8, no. 2, June 2014, pp. Pág. 93-108, doi:10.18569/tempus.v8i2.1514.