Okponyia, Kenechukwu Obinna, Sunday Ayoola Oke, and Akwaeno Uduak Umoh. 2022. “Applying Multi-Criteria Approaches to the Weld Bead Geometry Problem in Laser Welding With Filler Wire Process Using the Al-Mg-Mn-Zr-Er Alloy Sheet: Doi: 10.14456/Mijet.2022.19”. Engineering Access 8 (2). Mahasakham, Thailand:142-60. https://ph02.tci-thaijo.org/index.php/mijet/article/view/244907.