Susiloningtyas, Riyanti, Fathur Rokhman, Eko Handoyo, and Arief Yulianto. “Transforming Servant Leadership and CEO Competency Excellence: Driving Vocational Teacher Performance Through Sustainable Motivation”. TEC EMPRESARIAL 19, no. 1 (May 30, 2024): 601–622. Accessed April 19, 2026. https://revistas.tec-ac.cr/index.php/tec_empresarial/article/view/450.