Labor Productivity Analysis in East Kalimantan Province, Indonesia using The Marvin E. Mundel Method. Jurnal Teknik Industri (JATRI), [S. l.], v. 4, n. 2, p. 1–9, 2026. DOI: 10.30872/jatri425003. Disponível em: https://e-journals2.unmul.ac.id/index.php/jatri/article/view/5003. Acesso em: 1 oct. 2026.