KRAMER, P. J. Plant and soil water relationships. McGraw-Hill Book.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKRAMER, PAUL J. Plant and Soil Water Relationships. McGraw-Hill Book.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKRAMER, PAUL J. Plant and Soil Water Relationships. McGraw-Hill Book.
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