Anuntaphol Lahfahroengron. 2002. Factors related to respiratory impairment among workers in sulfuric acid plant. Field of Study Industrial Hygiene and Safety, Mahidol University;
Anuntaphol Lahfahroengron. (2002) Factors related to respiratory impairment among workers in sulfuric acid plant . Mahidol University/Bangkok.
Anuntaphol Lahfahroengron. Factors related to respiratory impairment among workers in sulfuric acid plant. . Bangkok:Mahidol University, 2002.
Anuntaphol Lahfahroengron. (2002) Factors related to respiratory impairment among workers in sulfuric acid plant . Mahidol University/Bangkok.