Giorgallides, Marcos. “The Planck Length , Newton Gravitational Constant and Gravity Constant”. IJRDO - Journal of Mechanical And Civil Engineering 5, no. 2 (March 2, 2019): 01-63. Accessed December 1, 2024. http://545406.voltageenergyhk.tech/index.php/mce/article/view/2722.