Katbumrung P, Udomkijmongkol C, Aiyakorn S. Happiness at Work and Work Engagement Affecting the Performance Effectiveness of the Personnel of the Administrative Organizations in Mueang Sakon Nakhon District, Sakon Nakhon Province. IARJ [internet]. 2024 Apr. 5 [cited 2026 Aug. 29];4(2):397-418. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/274860