Krishnamoorthy, B. (2017). Environmental Management (3rd.). PHI Learning Private Limited.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrishnamoorthy, Bala. Environmental Management. 3rd. Delhi: PHI Learning Private Limited, 2017.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKrishnamoorthy, Bala. Environmental Management. 3rd. PHI Learning Private Limited, 2017.
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