Jeeradist T. From On-Time Performance (OTP) to Service Excellence: An Integrated Strategic Study for Airline Operational Excellence in the Digital Aviation Era. J. Aviat. manag. [internet]. 2026 Jun. 29 [cited 2026 Sep. 4];4(1):117–123. available from: https://so19.tci-thaijo.org/index.php/KBUJAM/article/view/3620