Pawitra, T. A., R. A. Khairi, and D. Widada. “The Ergonomic Risk Evaluation of Work Posture for Oil Palm Harvest Workers in Large Plantations in East Kalimantan Using SNI 9011:2021”. Journal of Integrated System, vol. 7, no. 2, Jan. 2025, pp. 211-22, doi:10.28932/jis.v7i2.10152.