Panjaitan, S. R., Butarbutar, D. F., Panjaitan, H., Nainggolan, A. B. D. and Barus, B. S. (2022) “The Influence of Work Discipline, Work Ethics and Work Environment on Employee Performance at the Regional Company Pasar Horas Jaya, Pematangsiantar City”, ProBisnis : Jurnal Manajemen, 13(2), pp. 109–121. doi: 10.62398/probis.v13i2.58.