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Calilung and others. 1985. Comparison of land preparation equipment used on small rice farms in the Philippines. , Asian Institute of Technology;
Calilung and others. (1985) Comparison of land preparation equipment used on small rice farms in the Philippines . Asian Institute of Technology/Bangkok.
Calilung and others. Comparison of land preparation equipment used on small rice farms in the Philippines. . Bangkok:Asian Institute of Technology, 1985.
Calilung and others. (1985) Comparison of land preparation equipment used on small rice farms in the Philippines . Asian Institute of Technology/Bangkok.