P.SATYANARAYANA, B.ANITHA, YALAGANDALA AKSHAY KUMAR. EFFECT OF HIGH PRESSURE COOLANT JET (HPCJ) IN DRILLING AISI 4340 STEEL. Int. j. innov. eng. res. technol. 2021;4(9):1-14. Accessed October 25, 2025. https://repo.ijiert.org/index.php/ijiert/article/view/1415