"El Niño" y sus Impactos en el Sector Agrícola del Paraguay. Journal on studies and research of academic knowledge, Itapúa, PY, n. 9, p. 78–81, 2015. DOI: 10.70833/rseisa9item148. Disponível em: https://revistas.uni.edu.py/index.php/rseisa/article/view/148. Acesso em: 21 oct. 2025.