Cobanoglu, Hatice, and Hakan Sevik. “Lithium Concentration in Tree Rings of Cedar(Cedrus Sp) Exposed to Vehicle Pollution”. Mindanao Journal 43, no. 1 (December 12, 2022): 69–78. Accessed March 3, 2026. https://msu-mindanaojournal.com/index.php/ojs/article/view/55.