SAMUELS, George. The Influence of Fertilizers on Cigar-Filler Tobacco Quality. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 44, n. 4, p. 194–207, 1960. DOI: 10.46429/jaupr.v44i4.13808. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/13808. Acesso em: 22 dec. 2024.