Parvathamma, C. (1978). Under the impact of directed change. National.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParvathamma, C. Under the Impact of Directed Change. National, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रParvathamma, C. Under the Impact of Directed Change. National, 1978.
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