Imal, Khasanul, and Zulfikar Zulfikar. “Application of the R Program for CO2 Emission Calculations Based on Secondary Carbon Footprint at MTs Bahrul Ulum”. NEWTON: Networking and Information Technology 3, no. 2 (July 31, 2024): 29–34. Accessed November 27, 2024. https://ejournal.unwaha.ac.id/index.php/newton/article/view/4926.