Tran, Thanh, and Hai Le. “Study on Available Methods Using for Cleaner Production Assessment and Potential Application in Viet Nam”. Science and Technology Development Journal 17, no. 4 (December 31, 2014): 51-65. Accessed November 23, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1538.