Nguyễn Hồng, Đăng (2019) “17. Research on domestic waste collection efficiency and affecting factors in some urban districts in Da nang city”, Science Journal of Natural Resources and Environment, (28), pp. 122–128. Available at: https://tapchikhtnmt.hunre.edu.vn/index.php/tapchikhtnmt/article/view/208 (Accessed: 27 January 2023).