THE IMPACT OF REGULATING WORKING HOURS IN CUSTOMS AUTHORITIES ON THE EFFICIENCY OF BUSINESS ENTITIES’ ACTIVITIES. Modern American Journal of Social Sciences and Humanities, [S. l.], v. 2, n. 4, p. 117–127, 2026. Disponível em: https://usajournals.org/index.php/3/article/view/2211. Acesso em: 10 jun. 2026.