Pariya Nawarat. 1980. Differences between teaching methods and materials used by English teachers with vocational and non-vocational students. Department of Curriculum and Instruction, Mississippi State University;

Pariya Nawarat. Differences between teaching methods and materials used by English teachers with vocational and non-vocational students. . Mississippi:Mississippi State University, 1980.

Pariya Nawarat. (1980) Differences between teaching methods and materials used by English teachers with vocational and non-vocational students . Mississippi State University/Mississippi.