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Multiple Cropping Project Annual Report

Mahāwitthayālai Chīang Mai. Khrōngkān Sūn Wičhai phƯ̄a Phœ̄m Phon Phalit thāng Kasēt

出版	Multiple Cropping Project, Faculty of Agriculture, Chiang Mai University, 1974
URL	http://books.google.com.hk/books?id=ShdOAAAAYAAJ&hl=&source=gbs_api