Nisa Hafiza, Akhmad Taufik, & Muhammad Yalzamul Insan. (2024). Analysis of the Influence of Leadership Style, Job Satisfaction, and Work Environment on Employee Performance in PT Kereta Api Indonesia (Persero) Regional Division I North Sumatra. Formosa Journal of Social Sciences (FJSS), 3(2), 503–520. https://doi.org/10.55927/fjss.v3i2.10856