Wasan Aryubken และ Navaporn Sanprasert. (2011) Research article abstracts in natural science : a case study of linguistic realizations of rhetorical structure. Kasetsart University,:ม.ป.ท.Wasan Aryubken และ Navaporn Sanprasert. 2011. Research article abstracts in natural science : a case study of linguistic realizations of rhetorical structure. ม.ป.ท.:Kasetsart University,;Wasan Aryubken และ Navaporn Sanprasert. Research article abstracts in natural science : a case study of linguistic realizations of rhetorical structure. ม.ป.ท.:Kasetsart University, 2011. Print.