SULTANOVA NIGINA UTKUROVNA. INCREASING LABOR PRODUCTIVITY IN SERVICE ENTERPRISES BASED ON THE PRINCIPLES OF STAFF DEVELOPMENT. JournalNX - A Multidisciplinary Peer Reviewed Journal, [S. l.], p. 277–281, 2021. Disponível em: https://repo.journalnx.com/index.php/nx/article/view/1426. Acesso em: 7 jan. 2025.