Dana Muhamad Junaedi, Wilchan Robain and Siswa Pratama (2025) “Analysis of Leadership Style, Work Supervision and Work Environment on Employee Job Satisfaction at PT. Perkebunan Nusantara IV Regional I Medan”, International Journal of Integrative Sciences, 4(6), pp. 1401–1416. doi: 10.55927/ijis.v4i6.388.