Md. Ashraful Alam, and Atikur Rahman Baizid. “Volume Charge Density in Geometric Product Lorentz Transformation”. Journal of Engineering Advancements 2, no. 04 (December 26, 2021): 217–220. Accessed May 17, 2022. https://scienpg.com/jea/index.php/jea/article/view/jea-2021-04-007.