S. NARESH KUMAR. Thermal unit requirement for leaf growth and phenological development in sunflower. Journal of Agrometeorology, [S. l.], v. 7, n. 2, p. 168–173, 2005. DOI: 10.54386/jam.v7i2.837. Disponível em: https://journal.agrimetassociation.org/index.php/jam/article/view/837. Acesso em: 27 aug. 2025.