“INVESTIGATION OF FATIGUE LIFE OF 6061-T6 ALUMINUM ALLOYS WELDED BY METAL INERT GAS WELDING”. Journal of Engineering and Sustainable Development, vol. 19, no. 3, May 2015, pp. 1-15, https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/759.