M. S. F. Rahat, “A Reinterpretation of Old Data the Variable Speed of Light in Gravity and why the 4th Dimension is not Time”, Am. J. Multidis. Res. Innov., vol. 4, no. 3, pp. 130–151, May 2025, doi: 10.54536/ajmri.v4i3.4535.