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Subtitle: khrōngkān khayāiphon Khrōngkān Lūang phư̄a kǣ panhā phư̄nthī plūk fin yāng yangyư̄n : raya wēlā 4 pī (Phō̜. Sō̜. 2553-2556)
By: .
Contributors: Highland Research and Development Institute
Publisher: Samnakngān Khana Kammakān Pō̜ngkan læ Prāpprām Yāsēptit; Sathāban Wičhai læ Phatthanā Phư̄nthī Sūng
Published: 2009
Place of publication: Krung Thēp Mahā Nakhō̜n; Chīang Mai
Language: tha
Number of pages: 93
Description: Royal initiated agricultural projects against growth of opium for drugs in the northern highlands of Thailand.
Notes: In Thai.