Manalu, H. W., & Khairunnisak, K. (2026). Pengaruh Employee Engagement Dan Lingkungan Kerja Non Fisik Terhadap Kinerja Karyawan PT. Perkebunan Nusantara IV Regional Iii Kebun Sei Tapung. Journal of Innovative and Creativity, 6(1), 7121–7127. https://doi.org/10.31004/joecy.v6i1.7573