ELNAR, Allan Roy B.; CASAS, Karl Patrick S; MAGLASANG, Gibson T. Analyzing the Global CO2 Emission per Capita using Fractals. CNU Journal of Higher Education, [S.l.], v. 12, p. 1-7, dec. 2018. ISSN 2546-1796. Available at: <http://jhe.cnu.edu.ph/index.php/cnujhe/article/view/257>. Date accessed: 18 sep. 2019.