Sudiajeng, L., Tarwaka, T., Sutapa, K., Sudana, M. and Yusuf, M. 2022. Ergonomic tetrapod reduces the MSDs risk and productivity of steel-bar assembly for reinforcement concrete beams. International research journal of engineering, IT & scientific research. 9, 1 (Dec. 2022), 1–13. DOI:https://doi.org/10.21744/irjeis.v9n1.2255.