Bunga Nindya Navynda, Vera Firdaus, Sumartik Sumartik. The Influence of Work Discipline, Work Motivation and Work Environment on Employee Performance at the UPT Training Center for Developing Workforce Productivity at the Manpower and Transmigration Department. ijellacush [Internet]. 2026 May 31 [cited 2026 Jul. 24];4(2):113-30. Available from: https://pbsi-upr.id/index.php/ijellacush/article/view/1910