Phimphromma N. The Measurement and Mapping of Noise Levels in a Factory Plastic Sack Production Process in Ratchaburi. JEET [Internet]. 2021 Dec. 27 [cited 2024 May 5];8(2):36-44. Available from: https://ph01.tci-thaijo.org/index.php/JEET/article/view/245428