TUAN, Le Ngoc; CHAU, Pham Ngoc. OPTIMIZATION OF THE EFFICACY OF SLUDGE ULTRASONIC PRETREATMENT: A REVIEW. <b>Vietnam Journal of Science and Technology</b>, Hanoi, VN, v. 52, n. 3, p. 373–388, 2014. DOI: 10.15625/0866-708X/52/3/2961. Disponível em: https://vjs.ac.vn/jst/article/view/2961. Acesso em: 10 jan. 2026.