T., Florencondia, Noel, Manzon, Donald Rick, Wagan, Robert Anthony C., Mendoza, Darius R., and Guerrero, Ralph Lery U. “Identifying Carbon Footprint Emitted by Geodetic Engineers in San Ildefonso Bulacan When Conducting Survey Activities”. Engineering And Technology Journal 6, no. 5 (May 21, 2021): 892–894. Accessed November 23, 2024. https://everant.org/index.php/etj/article/view/460.