RIDHO, Alvin Ichwannur; SISWANTO, Nurhadi. Improving Coal Loading and Unloading Performance at Loading and Unloading Terminals with Lean Thinking Concept. Journal Research of Social Science, Economics, and Management, [S. l.], v. 4, n. 12, p. 2295–2303, 2025. DOI: 10.59141/jrssem.v4i12.927. Disponível em: https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/927. Acesso em: 5 dec. 2025.