KUMAR, S. (2019). Environmental planning and management. Ishwar Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKUMAR, Sanjay. Environmental Planning and Management. Ishwar Books, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKUMAR, Sanjay. Environmental Planning and Management. Ishwar Books, 2019.
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