Saowanit Sripaisancharoen. 2011. An analysis of students’ english speech patterns : a case study of mathayomsuksa 4 students at English Mathayomsuksa Samakkhiwitthayakhom school. , Chiang Rai Rajabhat University;
Saowanit Sripaisancharoen. (2011) An analysis of students’ english speech patterns : a case study of mathayomsuksa 4 students at English Mathayomsuksa Samakkhiwitthayakhom school . Chiang Rai Rajabhat University/Chiangrai.
Saowanit Sripaisancharoen. An analysis of students’ english speech patterns : a case study of mathayomsuksa 4 students at English Mathayomsuksa Samakkhiwitthayakhom school. . Chiangrai:Chiang Rai Rajabhat University, 2011.
Saowanit Sripaisancharoen. (2011) An analysis of students’ english speech patterns : a case study of mathayomsuksa 4 students at English Mathayomsuksa Samakkhiwitthayakhom school . Chiang Rai Rajabhat University/Chiangrai.