Physico-chemical Characterization of Domestic Sludge of Hawassa Industry Park and evaluation of its potential use as fertilizer. Journal of Science and Development, [S. l.], v. 12, n. 1, 2024. Disponível em: https://journals.hu.edu.et/hu-journals/index.php/agvs/article/view/1008.. Acesso em: 4 jul. 2025.