Manahilova D. 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. kij [Internet]. 2023 Mar. 31 [cited 2024 Jul. 16];57(4):625-9. Available from: https://ikm.mk/ojs/index.php/kij/article/view/6043