Indian Council of Social Science Research. (1983). A Survey of research in physical geography. Concept.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndian Council of Social Science Research. A Survey of Research in Physical Geography. Concept, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रIndian Council of Social Science Research. A Survey of Research in Physical Geography. Concept, 1983.
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