Lagura, Romelyn, Bert Gamiao, and Jovenita Aragon. “Development of a School-Based Environmental Program Through Elementary Pupils’ Carbon Footprints”. American Journal of Multidisciplinary Research and Innovation 1, no. 3 (June 21, 2022): 7–10. Accessed May 6, 2024. https://journals.e-palli.com/home/index.php/ajmri/article/view/320.