Não informado. Soil research. International Society of Soil Science.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Soil Research. Rome: International Society of Soil Science.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Soil Research. International Society of Soil Science.
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