LANDRAU, JR., P.; PASTOR RODRÍGUEZ, J.; SAMUELS, G.; ALERS ALERS, S.; GANDÍA CARO, R. Effect of Spacing and Fertilization on the Yield of Potatoes. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 39, n. 2, p. 100–110, 1955. DOI: 10.46429/jaupr.v39i2.12688. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/12688. Acesso em: 1 apr. 2023.