El Nauval AA, Wahyudi Biantoro A. Effectiveness Analysis of CCTV and Announcer on Accident Prevention In Construction OHS Culture. Eduvest [Internet]. 2025Oct.1 [cited 2025Nov.14];5(10):11957-69. Available from: https://eduvest.greenvest.co.id/index.php/edv/article/view/51984