Jr., Antonio R. Sumagpang, Frederick Ray I. Gomez, and Edwin M. Graycochea Jr. “Pick and Place Process Defect Mitigation on Semiconductor BGA Device”. Journal of Engineering Research and Reports 17, no. 3 (October 7, 2020): 1-5. Accessed October 26, 2020. https://journaljerr.com/index.php/JERR/article/view/17187.