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Yoopensuk, Suthirat; Tongying, Pornthip; Hansongnern, Kanidtha; Pakawatchai, Chaveng; Saithong, Saowanit; Tantirungrotechai, Yuthana; Leesakul, Nararak
Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2012 , vol. 86, p. 538 - 546