%0 Journal Article %A Ebrahimi, Seyed Foad, Eshmidian Nejad, Aziz %T Validation markers in introduction and results and discussion sections of research articles from four disciplines %J Journal of Teaching English Language Studies (JTELS) %V 7 %N 1 %P 73-90 %D 2018 %R %U https://sanad.iau.ir/fa/Article/945528