Pimprapa Pratumwan. 2015. The study of errors, relationship, and opinions of students and teachers on the English teacher-made tests and the English ordinary national educational test (O-NET). , Mahidol University;
Pimprapa Pratumwan. (2015) The study of errors, relationship, and opinions of students and teachers on the English teacher-made tests and the English ordinary national educational test (O-NET) . Mahidol University/Nakhon Pathom.
Pimprapa Pratumwan. The study of errors, relationship, and opinions of students and teachers on the English teacher-made tests and the English ordinary national educational test (O-NET). . Nakhon Pathom:Mahidol University, 2015.
Pimprapa Pratumwan. (2015) The study of errors, relationship, and opinions of students and teachers on the English teacher-made tests and the English ordinary national educational test (O-NET) . Mahidol University/Nakhon Pathom.