On, Vo. “AN APPROACH TO THE EQUIVALENCE PRINCIPLE AND THE NATURE OF INERTIAL FORCES”. VNUHCM Journal of Science and Technology Development 9, no. 5 (May 31, 2006): 5-10. Accessed June 1, 2025. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/2905.