The Study of the Combination Ability of Cotton Varieties. Journal of Pharmaceutical Negative Results, [S. l.], v. 13, p. 1954–1956, 2022. DOI: 10.47750/pnr.2022.13. S05.309. Disponível em: https://pnrjournal.com/index.php/home/article/view/3811.. Acesso em: 4 jun. 2026.