Wanvisa Kittikornworadech. 2011. House-elves: representation of the british working class in the Harry Potter series. Field of Study English, Chiang Mai University;
Wanvisa Kittikornworadech. (2011) House-elves: representation of the british working class in the Harry Potter series . Chiang Mai University/Chiang Mai.
Wanvisa Kittikornworadech. House-elves: representation of the british working class in the Harry Potter series. . Chiang Mai:Chiang Mai University, 2011.
Wanvisa Kittikornworadech. (2011) House-elves: representation of the british working class in the Harry Potter series . Chiang Mai University/Chiang Mai.