Sinaga, H. F., Mallapiang, F., Habibi, H., Ibrahim, H. and Ahmad, L. O. I. (2026) “Effect of ergonomic seat redesign for a gingga machine on musculoskeletal disorder complaints among oil palm ”, International Journal on Health and Medical Sciences, 4(3), pp. 209–217. doi: 10.35335/healmed.v4i3.768.