Mohammad Rachman Waluyo. (2026). IMPROVING QUALITY OF SERVICE BASED ON CUSTOMER SATISFACTION USING SERVQUAL AND QFD METHODS AT SEJAHTERA BUANA TRADA PULOGADUNG (ATPM X). Prosiding Seminar Nasional Waluyo Jatmiko, 18(1), 347–357. https://doi.org/10.33005/wj.v18i1.177