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<xml><bibliography><APA>Watana Kangwanwatana และผู้แต่งคนอื่นๆ. (2013) Study of carbon dioxide adsorption using adsorbent modified with piperazine. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Watana Kangwanwatana และผู้แต่งคนอื่นๆ. 2013. Study of carbon dioxide adsorption using adsorbent modified with piperazine. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Watana Kangwanwatana และผู้แต่งคนอื่นๆ.  Study of carbon dioxide adsorption using adsorbent modified with piperazine.  ม.ป.ท.:Chulalongkorn University, 2013. Print.</MLA></bibliography></xml>
