RUZI, I. I. .; ISHAK, A. R. .; ABDULLAH, M. A. .; ZAIN, N. N. M. .; TUALEKA, A. R. .; AZIZ, M. Y. Assessment of Heavy Metal Concentrations in Penang, Malaysia’s Wastewater Treatment Plants: A Wastewater-Based Epidemiology Approach. Trends in Sciences, Nakhon Si Thammarat, Thailand, v. 20, n. 5, p. 6523, 2023. DOI: 10.48048/tis.2023.6523. Disponível em: https://tis.wu.ac.th/index.php/tis/article/view/6523. Acesso em: 8 apr. 2026.