“Multiwalled Carbon Nanotubes Synthesis from Methane Using a Stainless Steel Foils As a Catalyst”. Vietnam Journal of Catalysis and Adsorption 9, no. 3 (September 30, 2020): 27–30. Accessed June 25, 2026. https://jca.edu.vn/index.php/jca/article/view/2020.045.