Influence of El Niño 2015/2016 on Climate Variability and Production of Main Crops in Langkat Regency. Agromet, Bogor, Indonesia, v. 35, n. 2, p. 98–107, 2021. DOI: 10.29244/j.agromet.35.2.98-107. Disponível em: https://journal.ipb.ac.id/agromet/article/view/28019. Acesso em: 1 jan. 2026.