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FAUZI, A.; SUPARNO, S. Increasing Coal Crushing Production at PT. XYZ Using Lean Six Sigma Approach. Jurnal Indonesia Sosial Teknologi, [S. l.], v. 6, n. 1, p. 415–426, 2025. DOI: 10.59141/jist.v6i1.8925. Disponível em: https://jist.publikasiindonesia.id/index.php/jist/article/view/8925. Acesso em: 25 sep. 2026.