Sulistyo, Arif Budi, et al. “Developing an Industry-Specific Lean 4.0 Readiness Assessment Tool: A Case for the Chemical Sector”. Jurnal Optimasi Sistem Industri, vol. 23, no. 2, Jan. 2025, pp. 283-98, doi:10.25077/josi.v23.n2.p283-298.2024.