Walailuk Doungprasopsuk และ Patcharaporn Suwanvitaya. (2017) Effect of oxygen on sulfur products from H2S removal by Thiobacillus in a biotrickling filter column. <i>Engineering and Applied Science Research</i>, <i>44</i>(4), 214-221.Walailuk Doungprasopsuk และ Patcharaporn Suwanvitaya. "Effect of oxygen on sulfur products from H2S removal by Thiobacillus in a biotrickling filter column". Engineering and Applied Science Research 44 (2017):214-221.Walailuk Doungprasopsuk และ Patcharaporn Suwanvitaya. Effect of oxygen on sulfur products from H2S removal by Thiobacillus in a biotrickling filter column. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2017.