Christin Natalia Sianipar, Evi Irene Saurina Tampubolon. EFFECT OF COMMUNICATION, DISCIPLINE, WORK ENVIRONMENT ON MPLOYEE PERFORMANCE AT KSP CU. MAKMUR BERSAMA. JOEL [Internet]. 2022 Feb. 27 [cited 2025 Jul. 5];1(7):1041-50. Available from: https://www.bajangjournal.com/index.php/JOEL/article/view/1626