Roy...[et.al], R. Plant nutrition for food security a guide for intergrated nutrient management. Food and agriculture organization of the United Nations.
Chicago-viite (17. p.)Roy...[et.al], R.N. Plant Nutrition for Food Security a Guide for Intergrated Nutrient Management. Food and agriculture organization of the United Nations.
MLA-viite (8. p.)Roy...[et.al], R.N. Plant Nutrition for Food Security a Guide for Intergrated Nutrient Management. Food and agriculture organization of the United Nations.
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