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1Published 1981### CRL customization ### ?> ### Add publisher and desc details ### ?>Trivandrum : Directorate of Economics and Statistics, Govt. of Kerala, 1981.17 p. ; 20 cm.“...Kerala (India). Directorate of Economics and Statistics...”
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2Trivandrum : Directorate of Economics and Statistics.v. 21 cm.“...Kerala (India). Directorate of Economics and Statistics. National sample survey...”
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3[Trivandrum] : New Delhi : The Bureau ; D.K. Publishers' Distributors,v. ; 30 cm.“...Kerala (India). Directorate of Economics and Statistics...”