Tran, Thanh, and Hai Le. “Study on Available Methods Using for Cleaner Production Assessment and Potential Application in Viet Nam”. VNUHCM Journal of Science and Technology Development 17, no. 4 (December 31, 2014): 51-65. Accessed August 17, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1538.