อุยะเสถียร อ.; เอกวรานุกูลศิริ ส.; ศรีเทพ ป. Characteristics and Phototoxic Effects of Sewage Sludge for Agricultural Uses. Environment and Natural Resources Journal, Nakhon Pathom, Thailand, v. 7, n. 1, p. 25–35, 2017. Disponível em: https://ph02.tci-thaijo.org/index.php/ennrj/article/view/82601. Acesso em: 18 may. 2024.