B, Bulgansaikhan, Lodoisamba S, Shagjjamba D, and Gerelmaa G. “Comparison of Air Pollution Measurement (Zuun Ail Area)”. Scientific transaction of the National University of Mongolia. Physics 22, no. 449 (March 13, 2022): 41–44. Accessed April 11, 2025. https://journal.num.edu.mn/physics/article/view/626.