Yuzandi, Indra, and Azwir Anhar. “Ability of Vegetation Absorption to CO₂ Emissions at the Campus of Universitas Negeri Padang”. Science and Environmental Journal for Postgraduate 5, no. 1 (December 1, 2022): 01-07. Accessed April 19, 2024. http://senjop.ppj.unp.ac.id/index.php/senjop/article/view/149.