Ali Efendi Siburian, Prihatin Lumbanraja, and Sugih Arto Pujongkoro. “THE INFLUENCE OF PSYCHOLOGICAL CLIMATE AND CHANGE-ORIENTED LEADERSHIP ON PERFORMANCE EMPLOYEES OF PT. WASKITA KARYA (PERSERO), Tbk”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) 3, no. 3 (February 28, 2024): 506–514. Accessed September 11, 2025. https://ijset.org/index.php/ijset/article/view/381.