 
Vorachai Piata. Speaking proficiency of the english education students enrolling in the in-service training course in Rajabhat Institute Loei Chumphae Campus.. Master's Degree(English). Khon Kaen University. Instructional Resource Center. : Khon Kaen University, 2004.
| Title | Contributor | Type | 
|---|---|---|
| Speaking proficiency of the english education students enrolling in the in-service training course in Rajabhat Institute Loei Chumphae Campus. มหาวิทยาลัยขอนแก่น Vorachai Piata | Sasi  Jungsatitkul Woralarp Sangwattanachai | วิทยานิพนธ์/Thesis | 
| Title | Creator | Type and Date Create | 
|---|---|---|
| Speaking proficiency of the english education students enrolling in the in-service training course in Rajabhat Institute Loei Chumphae Campus. มหาวิทยาลัยขอนแก่น Sasi Jungsatitkul;Woralarp Sangwattanachai | Vorachai Piata | วิทยานิพนธ์/Thesis | 
| Title | Creator | Type and Date Create | 
|---|---|---|
| Speaking proficiency of the english education students enrolling in the in-service training course in Rajabhat Institute Loei Chumphae Campus. มหาวิทยาลัยขอนแก่น Sasi Jungsatitkul;Woralarp Sangwattanachai | Vorachai Piata | วิทยานิพนธ์/Thesis |