C. R, Lakshminarayana, A.K .Tripathi, and S.K. Pal. “Prediction of Physico-Mechanical Properties of Rocks Using Dominant Frequency of Vibration During Rotary Drilling”. International Journal of Engineering and Technology 7, no. 4 (April 16, 2026): 3360–3366. Accessed May 13, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/21603.