NYANGWE, P. B.; SARIA, J. Reuse of Sludge from Wastewater Treatment Plants in Agriculture: Problem of Heavy Metals in Moshi Municipality Wastewater Treatment Plant. TANZANIA JOURNAL OF SCIENCE AND TECHNOLOGY, [S. l.], v. 5, n. 1, p. 51–66, 2023. DOI: 10.61538/tjst.v5i1.1362. Disponível em: https://journals.out.ac.tz/index.php/tjst/article/view/1362. Acesso em: 18 may. 2025.