Manuel, John Lee, Andria Ramos, Carl Lester Portinto, and Jessel Abegile Ando. “Solar Panels on Monument of Quezon Memorial Circle Miniature”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 2, no. 1 (April 1, 2020). Accessed April 25, 2024. https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1052.