MANAHILOVA, Dorina. STANDARDS FOR HEARING HEALTH MONITORING OF AIRPORT GROUND HANDLING OPERATORS WORKING IN ENVIRONMENTS WITH EXCESSIVE NOISE LEVELS - CURRENT STATUS OF LEGISLATION IN THE USA AND THE REPUBLIC OF BULGARIA. KNOWLEDGE - International Journal , [S. l.], v. 57, n. 4, p. 625–629, 2023. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/6043. Acesso em: 25 aug. 2026.