Baring, Rechellyn, Phonmarck Philip Valenzuela, Evan Kadusale, Keanu Shane Bernardo, Lord Angelo Pangyarihan, and Marlon Bahana. 2020. “Proposed Photovoltaic Le Grande Louvre Pyramid in Tuguegarao City Hall”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research 2 (1). https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1056.