SWEERE, Peter C. Sugarbeet Production in Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 55, n. 1, p. 114–129, 1971. DOI: 10.46429/jaupr.v55i1.11082. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/11082. Acesso em: 22 dec. 2024.