Popa-Simil, Liviu. “ENGINEERED NANO-MATERIALS FOR ENERGY AND THEIR POTENTIAL IMPACT ON ACTUAL ENVIRONMENTAL ISSUES”. International Journal of Research -GRANTHAALAYAH 9, no. 11 (November 30, 2021): 53–71. Accessed April 25, 2024. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/4374.