Potash & Phosphate Institute (Atlanta, Ga.)\nInternational Plant Nutrition Institute. (1923). Better Crops With Plant Food. Potash & Phosphate Institute.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPotash & Phosphate Institute (Atlanta, Ga.)\nInternational Plant Nutrition Institute. Better Crops With Plant Food. Atlanta, Ga: Potash & Phosphate Institute, 1923.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিPotash & Phosphate Institute (Atlanta, Ga.)\nInternational Plant Nutrition Institute. Better Crops With Plant Food. Potash & Phosphate Institute, 1923.
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