Vitsanusat Atyotha. (2016) Measurement and analysis of radium 226 in drinking water at Amphoe Muang Khon Kaen via manganese fibers using gamma-spectrometry. <i>KKU Engineering Journal</i>, <i>43</i>(S2), 210-212.Vitsanusat Atyotha. "Measurement and analysis of radium 226 in drinking water at Amphoe Muang Khon Kaen via manganese fibers using gamma-spectrometry". KKU Engineering Journal 43 (2016):210-212.Vitsanusat Atyotha. Measurement and analysis of radium 226 in drinking water at Amphoe Muang Khon Kaen via manganese fibers using gamma-spectrometry. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2016.