Punyarat Lapvongwatana และผู้แต่งคนอื่นๆ. (2016) A Cross-sectional Study of Secondhand Smoke Exposure among Non-smoking Women and Children in Thai Households. <i>Environment and Natural Resources Journal</i>, <i>14</i>(1), 51-57.Punyarat Lapvongwatana และผู้แต่งคนอื่นๆ. "A Cross-sectional Study of Secondhand Smoke Exposure among Non-smoking Women and Children in Thai Households". Environment and Natural Resources Journal 14 (2016):51-57.Punyarat Lapvongwatana และผู้แต่งคนอื่นๆ. A Cross-sectional Study of Secondhand Smoke Exposure among Non-smoking Women and Children in Thai Households. Faculty of Environment and Resourdce Studies,Mahidol University:ม.ป.ท. 2016.