Marwadi, Agis, and Sanny Edinov. “Analysis of Air Pollution Levels in Lubuk Begalung Sub-District Padang”. Science and Environmental Journal for Postgraduate 6, no. 2 (June 1, 2024): 318-330. Accessed September 19, 2024. http://senjop.ppj.unp.ac.id/index.php/senjop/article/view/256.