PENGARUH MOTIVASI KERJA, BEBAN KERJA, TEAM WORK TERHADAP KINERJA PEGAWAI PADA PT. KOPERASI TELEKOMUNIKASI SELULAR (KISEL) REGIONAL I PROVINSI SUMATERA UTARA. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 1, p. 344–349, 2026. DOI: 10.54314/jssr.v9i1.5781. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/5781.. Acesso em: 14 apr. 2026.