Sidauruk, E. P., and F. Simanjorang. “Efektifitas Job Satisfaction Dalam Meningkatkan Kinerja Karyawan Pada Divisi Business, Government Dan Enterprise Services PT Telkom Witel Medan”. Journal Business Administration: Entrepreneurship and Creative Industry, vol. 3, no. 1, Jan. 2024, pp. 51-59, doi:10.32734/jba.v3i1.13687.