Supasiri Hongrittipun. 1990. An investigation into the effects of self-correction in combination with peer correction on students writing proficiency and their attitudes. Faculty of Graduate Studies, Mahidol University;
Supasiri Hongrittipun. (1990) An investigation into the effects of self-correction in combination with peer correction on students writing proficiency and their attitudes . Mahidol University/Bangkok.
Supasiri Hongrittipun. An investigation into the effects of self-correction in combination with peer correction on students writing proficiency and their attitudes. . Bangkok:Mahidol University, 1990.
Supasiri Hongrittipun. (1990) An investigation into the effects of self-correction in combination with peer correction on students writing proficiency and their attitudes . Mahidol University/Bangkok.