1.
Junchana S, Thinvongpituk C. The influence of friction time and contact angles in friction welding for Polyethylene pipes. Eng Appl Sci Res [internet]. 2012 May 22 [cited 2026 Sep. 23];38(2):147-54. available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/1606