Kolshus, H. J. Modernization of paddy rice farming in Northeast Thailand with special reference to use of fertilizer.
Chicago-referens (17:e uppl.)Kolshus, Halvor J. Modernization of Paddy Rice Farming in Northeast Thailand with Special Reference to Use of Fertilizer.
MLA-referens (9:e uppl.)Kolshus, Halvor J. Modernization of Paddy Rice Farming in Northeast Thailand with Special Reference to Use of Fertilizer.
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