Rittiboonchai W, Pokateerakul P, Sanitprachakorn S. Transformational Leadership and Human Resource Management for Operational Efficiency in Small and Medium Enterprises. Ph.D. in Soc. Sci. J. [internet]. 2025 Mar. 7 [cited 2026 Sep. 20];15(1):176-93. available from: https://so05.tci-thaijo.org/index.php/phdssj/article/view/276061