Shah, Kamran, Khurshid, Hassan, Haq, Izhar Ul, Khurram, Nauman, AND Ali, Zeeshan. " Conversion of a Conventional Lathe Machine into a Friction Welding Machine and Performing Some Experimental Tests for its Operational Feasibility" Mehran University Research Journal of Engineering and Technology [Online], Volume 40 Number 3 (1 July 2021)