Nguyen, Chi, and Hien To. “Evaluating the Applicability of a Low-Cost Sensor for Measuring PM2.5 Concentration in Ho Chi Minh City, Viet Nam”. Science and Technology Development Journal 22, no. 3 (September 30, 2019): 343-347. Accessed November 22, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1688.