Siriporn Wongmanee และ Sudjit Karuchit. (2020) BTEX Levels in the Indoor Air of New School Buildings: A Case Study. <i>Mahasarakham International Journal of Engineering Technology</i>, <i>6</i>(1), 17-21.Siriporn Wongmanee และ Sudjit Karuchit. "BTEX Levels in the Indoor Air of New School Buildings: A Case Study". Mahasarakham International Journal of Engineering Technology 6 (2020):17-21.Siriporn Wongmanee และ Sudjit Karuchit. BTEX Levels in the Indoor Air of New School Buildings: A Case Study. Faculty of Engineering, Mahasasakham University:ม.ป.ท. 2020.