Nguyen Van, Trang, Tan Nguyen Duy, and Anh Phạm. “A Study on Optimizing the Characteristics of Lithium-Ion Battery Power Source and Operating Cost for Hybrid Motorcycle”. VNUHCM Journal of Engineering and Technology 3, no. SI2 (February 28, 2021): SI81-SI92. Accessed April 19, 2024. http://stdjet.scienceandtechnology.com.vn/index.php/stdjet/article/view/600.