Hurriyati, Dwi, and Aldy Anugrah. “The Role of Positive Leadership in Improving Employee Psychological Wellbeing in the Assessment Center of PT Bukit Asam Tbk”. ELS Journal on Interdisciplinary Studies in Humanities, vol. 8, no. 2, June 2025, pp. 693-00, doi:10.34050/els-jish.v8i2.44978.