HEPAT , R. O. R. . .; TAMBA, .; JUNIANTO , . .; HARIANJA , . . . The Effect Of Work Discipline, Work Environment And Work Motivation On Employee Productivity At PT VME PROCESS In Batam . Tractare: Jurnal Ekonomi-Manajemen, [S. l.], v. 9, n. 1, p. 13–22, 2026. DOI: 10.62820/trt.v9i1.196. Disponível em: https://journal.stiebpbatam.ac.id/tractare/article/view/196. Acesso em: 26 mei. 2026.