วิตรสุขุมาลย์ อ, คุปตัษเฐียร ณ. Service Quality Improvement of Calibration Laboratory by Integration of SERVQUAL and Kano’s Model into QFD. Front Eng Innov Res. [internet]. 2015 Jun. 30 [cited 2026 Sep. 2];1:1-12. available from: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242047