Pattaraprakorn W, Sukchon K, Malitong V. The relation of air borne particles and activities in clean room. Eng Appl Sci Res [internet]. 2012 Jun. 6 [cited 2026 Sep. 25];34(4):489-98. available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/1839