Malek, Abdul. “THE CONCEPTUAL DEFECT OF THE LAW OF UNIVERSAL GRAVITATION OR FREE FALL: A DIALECTICAL REASSESSMENT OF KEPLERS LAWS:”. JOURNAL OF ADVANCES IN PHYSICS 13, no. 5 (May 18, 2017): 4876–4880. Accessed March 5, 2024. https://rajpub.com/index.php/jap/article/view/6131.