Syarifuddin, R. and Asrul, M. (2026) “Analysis of the influence of service quality on customer satisfaction using the customer satisfaction index and servqual methods: a case study of PT Charoen Pokphand Indonesia”, Operations Excellence: Journal of Applied Industrial Engineering. Jakarta, Indonesia, 17(3), pp. 276–286. doi: 10.22441/oe.2025.v17.i3.152.