Le, Dai Duong, Thi Thanh Huyen Bui, and Thi Bich Thuy Hoang. 2018. “Effect of Doping Nickel Oxide and Hybrid Graphene Oxide on Electrochemistry Supercapacitor Characteristrics of Manganese Dioxide Thin Film”. Old Journal, no. 124 (January):88-94. https://jst.vn/index.php/old/article/view/922.