A. S. Lubis, F. . Kumalasari, T. A. . Parluhutan, and M. A. . Lubis, “The Influence of Leadership, Motivation, and Work Environment on Company Performance at PT PLN (Persero) Sektor Pembangkitan Belawan”, J. of Research in Math. Trends and Tech., vol. 7, no. 1, pp. 31–37, Mar. 2025.