Lapeña, José Florencio. “On the Brink: The Climate and Nature Crisis and Risks of Nuclear War”. Philippine Journal of Otolaryngology Head and Neck Surgery 38, no. 2 (November 20, 2023): 4. Accessed May 12, 2024. https://pjohns.pso-hns.org/index.php/pjohns/article/view/2225.