LEONARD, M. D. THE INITIATION OF AN INSECT PEST SURVEY IN PORTO RICO. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 16, n. 1, p. 59–64, 1932. DOI: 10.46429/jaupr.v16i1.15028. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/15028. Acesso em: 20 apr. 2024.