Yola Mirandha, Bagus Handoko, and Aulia Arief Nasution, “THE EFFECT OF COMPETENCE, PROFESSIONALISM, AND WORK ENVIRONMENT ON EMPLOYEE PERFORMANCE THROUGH WORK MOTIVATION AS AN INTERVENING VARIABLE AT NUSANET MEDAN”, IJSET, vol. 4, no. 8, pp. 1413–1423, Jul. 2025.