Somkhit L̄œtphaithūn. (2004). Rāingān chabap sombūn (final report) khrōngkān sưksā wikhr̨o khwāmkhithen kīeokap kotmāi kānmīsūanrūam kh̨ōng prachāchon. Sathāban Wičhai læ Hai Khamprưksā h̄æng Mahāwitthayālai Thammasāt.
Chicago Style (17th ed.) CitationSomkhit L̄œtphaithūn. Rāingān Chabap Sombūn (final Report) Khrōngkān Sưksā Wikhr̨o Khwāmkhithen Kīeokap Kotmāi Kānmīsūanrūam Kh̨ōng Prachāchon. [Bangkok]: Sathāban Wičhai læ Hai Khamprưksā h̄æng Mahāwitthayālai Thammasāt, 2004.
Cita MLASomkhit L̄œtphaithūn. Rāingān Chabap Sombūn (final Report) Khrōngkān Sưksā Wikhr̨o Khwāmkhithen Kīeokap Kotmāi Kānmīsūanrūam Kh̨ōng Prachāchon. Sathāban Wičhai læ Hai Khamprưksā h̄æng Mahāwitthayālai Thammasāt, 2004.
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