Naratip Supattananon และผู้แต่งคนอื่นๆ. (2022) Productivity improvement through a work study with ergonomic risk assessment: A case study of a high-voltage line distribution operation. <i>Engineering and Applied Science Research</i>, <i>49</i>(5), 688-395.Naratip Supattananon และผู้แต่งคนอื่นๆ. "Productivity improvement through a work study with ergonomic risk assessment: A case study of a high-voltage line distribution operation". Engineering and Applied Science Research 49 (2022):688-395.Naratip Supattananon และผู้แต่งคนอื่นๆ. Productivity improvement through a work study with ergonomic risk assessment: A case study of a high-voltage line distribution operation. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2022.