Ayyappan T.S, Anas A J, Thasleem M T, Ahmed Shiras, and Omer Muhseen J, “EXPERIMENTAL ANALYSIS & PERFORMANCE EVALUATION OF HIGH-PRESSURE NOZZLE ASSEMBLY FOR LASER CUTTING OF THICK CARBON STEEL PLATES”, IJAREST, vol. 5, no. 4, pp. 457–467, Apr. 2018.