Phǣnphatthanā Kānsưksā hǣng Chāt, Chabap thī 6, Phō̜. Sō̜. 2530-2534.
Edition: Phim khrang thī 1.
Publisher: Samnakngān Khana Kammakān Kānsưksā hǣng Chāt, Samnak Nāyok Ratthamontrī
Published: 1986
Place of publication: [Bangkok]
Language: tha
Number of pages: 248
Description: Sixth National Educational Development Plan, Thailand, 1987-1991.
Notes: In Thai.