Effect of mineral and organic fertilizers on the growth and calyx yield of roselle (Hibiscus sabdariffa L.). International Journal of Manures and Fertilizers, [S. l.], v. 2, n. 1, p. 433–436, 2013. Disponível em: https://ijpp.org/journal/index.php/ijmf/article/view/243. Acesso em: 5 feb. 2026.