SOTOMAYOR-RAMÍREZ, D.; MARTÍNEZ, G.; OLIVIERI, L. J. Phosphorus status of stream waters in Puerto Rico: 1989-19971. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 85, n. 1-2, p. 1–15, 2001. DOI: 10.46429/jaupr.v85i1-2.3151. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/3151. Acesso em: 22 sep. 2023.