Sandi, Dila, and Devi Yasmin. “The Influence Of Work Environment And Motivation On Employee Spirit At Pt Perkebunan Nusantara IV, Gunung Meliau Palm Oil Mill Work Unit”. EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis 12, no. 4 (October 4, 2024): 3383–3390. Accessed December 21, 2024. https://jurnal.unived.ac.id/index.php/er/article/view/6621.