Inthaphan J, Kaewboonchoo O, Boonyamalik P, Chanyasanha C. Factors Related to Respiratory Symptoms among Workers of A Highway District in Eastern Region. J Pub Health Nurse [internet]. 2021 Apr. 30 [cited 2026 Sep. 11];35(1):53-68. available from: https://he01.tci-thaijo.org/index.php/phn/article/view/248692