 
Yuphadee Suwanitchayakul. Development of an English critical thinking syllabus for kindergarten level. Master's Degree(Teaching English as a Foreign Language). Payap University. Central Library. : Payap University, 2002.
| Title | Contributor | Type | 
|---|---|---|
| Development of an English critical thinking syllabus for kindergarten level มหาวิทยาลัยพายัพ Yuphadee Suwanitchayakul | Wanida Penkingcarn | วิทยานิพนธ์/Thesis |