Trần Bảo, Nguyên, and Trang Đường Huyền. “14. Applying Cause and Effect Principal to Analyze”. Science Journal of Natural Resources and Environment, no. 22 (October 4, 2018): 110–121. Accessed November 26, 2022. https://tapchikhtnmt.hunre.edu.vn/index.php/tapchikhtnmt/article/view/120.