Syarifuddin, Rizal, and Muhammad Asrul. 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 17 (3). Jakarta, Indonesia:276-86. https://doi.org/10.22441/oe.2025.v17.i3.152.