BASHORI, Shiddiq Adhim; MAHBUBAH, Nina Aini. PENENTUAN OPERATOR PACKER DAN LOADER YANG OPTIMAL DENGAN METODE WORK SAMPLING DAN WORK LOAD ANALYSIS (Studi Kasus : PT. Semen Indonesia Tbk. Plant Gresik). PROFISIENSI: Jurnal Program Studi Teknik Industri, [S.l.], v. 8, n. 2, p. 83-93, dec. 2020. ISSN 2598-9987. Available at: <https://www.journal.unrika.ac.id/index.php/jurnalprofisiensi/article/view/2593>. Date accessed: 17 feb. 2026. doi: https://doi.org/10.33373/profis.v8i2.2593.