MARTIN, Franklin W.; DELPÍN, Herminio. Techniques and Problems in the Propagation of Sapogenin-bearing Yams from Stem Cuttings. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 53, n. 3, p. 191–198, 1969. DOI: 10.46429/jaupr.v53i3.11158. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/11158. Acesso em: 28 mar. 2024.