Ali Efendi Siburian, Prihatin Lumbanraja, and Sugih Arto Pujongkoro. “THE INFLUENCE OF PSYCHOLOGICAL CLIMATE AND CHANGE-ORIENTED LEADERSHIP ON EMPLOYEE PERFORMANCE OF PT. WASKITA KARYA (PERSERO) Tbk”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) 3, no. 4 (March 10, 2024): 826–834. Accessed May 8, 2026. https://ijset.org/index.php/ijset/article/view/419.