songnguan, sirawan (2024) “Work efficiency of office personnel Ta Phraya Subdistrict Administrative Organization, Ta Phraya District, Sa Kaeo Province”, Journal of Modern business administration and management for Sustainable Development. Bangkok, Thailand, 2(1), pp. 15–27. available at: https://so19.tci-thaijo.org/index.php/JMMSD/article/view/293 (accessed: 10 May 2025).