Sudirnanto, et al. “Analysis of the Implementation of Total Productive Maintenance (TPM) Using Overall Equipment Effectiveness (OEE) : (Case Study of PT. Pertamina Hulu Rokan Jambi Merang)”. Journal of Social Science and Economics, vol. 1, no. 1, Mar. 2022, pp. 111-8, https://doi.org/10.37812/josse.v1i1.542.