de Castro, Melvin R., Tonette M. Villanueva, Grace C. Arcamo, and Rayna Lynn R. de Castro. “Air Pollution Attributable Deaths: A Global View Through Fractal Analysis”. Recoletos Multidisciplinary Research Journal 2, no. 1 (June 30, 2014). Accessed May 3, 2024. https://rmrj.usjr.edu.ph/rmrj/index.php/RMRJ/article/view/34.