Widyaswara, A. ., and A. Y. . Bustommy. “Optimizing On-Time Delivery Performance through Lean and QCDSM Framework in the Procurement Process of PT Lautan Air Indonesia”. Journal of Innovative and Creativity, vol. 5, no. 2, June 2025, pp. 23229-34, doi:10.31004/joecy.v5i2.3441.