Punchit T, Chamniprasart K, Sulaksna K. Effect of welding parameter on pitch angle for electronic circuit process. Eng Appl Sci Res [internet]. 2012 Nov. 12 [cited 2025 Apr. 7];39(1):59-67. available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/1531