Wongprakarn, Suphagrid, Ekaphan Swatsitang, and Pornjuk Srepusharawoot. 2017. “Metal decorations on graphene as a hydrogen storage material”. Asia-Pacific Journal of Science and Technology 18 (1):153-70. https://so01.tci-thaijo.org/index.php/APST/article/view/82827.