SEMIDEY, N.; LIU, L. C.; ORTIZ, F. H. Competition of pigweed (Amaranthus dubius) with sweetpotato (Ipomoea batatas). The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 71, n. 1, p. 7–11, 1987. DOI: 10.46429/jaupr.v71i1.6919. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/6919. Acesso em: 30 nov. 2022.