Imtiaz, Abid, Tariq, Adnan, Janjua, Ajaz Bashir, Sarfraz, Fahad, AND Khawaja, Amar ul Hassan. " Parametric Optimization of Butt Welded Polycarbonate using Response Surface Methodology" Mehran University Research Journal of Engineering and Technology [Online], Volume 40 Number 1 (1 January 2021)