LATHA, A.; RADHAKRISHNAN, V.V. Variation in root yield and ephedrine content of Bala (Sida cordifolia Linn.) at differential harvesting under open and shaded situation. Journal of Tropical Agriculture, [S. l.], v. 53, n. 1, p. 42–47, 2015. Disponível em: https://jtropag.kau.in/index.php/ojs2/article/view/329. Acesso em: 5 may. 2024.