Kenechukwu Obinna Okponyia และ Sunday Ayoola Oke;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. <i>Engineering Access</i>, <i>8</i>(2), 142-160.Kenechukwu Obinna Okponyia และ Sunday Ayoola Oke;Akwaeno Uduak Umoh. "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". Engineering Access 8 (2022):142-160.Kenechukwu Obinna Okponyia และ Sunday Ayoola Oke;Akwaeno Uduak Umoh. 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. Faculty of Engineering Mahasasakham University:ม.ป.ท. 2022.