Rodríguez de Cianzio S, Ortiz CE. A visual indicator for harvest of immature viable seed of indeterminate soybean genotypes. JAUPR [Internet]. 1993 Apr. 1 [cited 2024 Dec. 21];77(1-2):33-4. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/4164