Sunflower growth irrigated with sewage effluent under organic fertilization. Bioscience Journal [online], 2019. [online], vol. 35, no. 6, pp. 1839–1846. [Accessed13 December 2025]. DOI 10.14393/BJ-v35n6a2019-42227. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/42227.