PENGARUH MOTIVASI KERJA, KEPEMIMPINAN DAN LINGKUNGAN KERJA TERHADAP PRODUKTIVITAS KERJA PEGAWAI DI DINAS PERDAGANGAN DAN PERINDUSTRIAN KOTA TANJUNGBALAI. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 9, n. 2, p. 2810–2818, 2026. DOI: 10.54314/jssr.v9i2.6265. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6265.. Acesso em: 5 aug. 2026.