Tangahu, M. et al. 2017. Ergonomic Corn Flatter Machine Work System Design to Increase Productivity: Desain Sistem Kerja Mesin Pemipih Jagung yang Ergonomi untuk Meningkatkan Produktivitas. PROZIMA (Productivity, Optimization and Manufacturing System Engineering). 1, 2 (Dec. 2017), 90–98. DOI:https://doi.org/10.21070/prozima.v1i2.1301.