of, K. G. (1979). Report on socio-economic survey of tribals in Kerala: 1976-1978. Bureau of Economics and Statistics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रof, Kerala. Government. Report on Socio-economic Survey of Tribals in Kerala: 1976-1978. Bureau of Economics and Statistics, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रof, Kerala. Government. Report on Socio-economic Survey of Tribals in Kerala: 1976-1978. Bureau of Economics and Statistics, 1979.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.