Febrianti, S., K. Kholik, and Y. Diana. “The Influence of Work Environment, Job Satisfaction and Motivation on Employee Performance at PT Khurnia Sawit Jaya Kabupaten Labuhan Batu Sumatera Utara”. Jurnal Fokus Manajemen, Vol. 6, no. 2, May 2026, pp. 401-10, doi:10.37676/jfm.v6i2.10971.