PANGGABEAN, T. A. M.; HARAHAP, U. N.; UTAMA, D. W. . Optimization of Motorcycle Service Operator Performance Using Work Sampling Method at Giant Jaya Motor MSMEs. IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA), [S. l.], v. 3, n. 1, p. 47–56, 2024. DOI: 10.56862/irajtma.v3i1.91. Disponível em: https://e-journals.irapublishing.com/index.php/IRAJTMA/article/view/91. Acesso em: 2 jul. 2025.