Organic Fertilizer Sources and Rates for Potted Bitter Leaf (Vernonia amygdalina Del.) Production. e-Proceedings of the Faculty of Agriculture International Conference, Awka, Nigeria, p. 90–95, 2024. Disponível em: https://journals.unizik.edu.ng/faic/article/view/3470. Acesso em: 24 may. 2025.