Hepat ROR, Tamba I, Junianto P, Harianja J. The Effect Of Work Discipline, Work Environment And Work Motivation On Employee Productivity At PT VME PROCESS In Batam . TJEM [internet]. 26 Mei 2026 [dikutip 26 Mei 2026];9(1):13-22. tersedia pada: https://journal.stiebpbatam.ac.id/tractare/article/view/196