Kerala (India). Bureau of Economics and Statistics. Directory of small scale industrial units in the urban areas of Kerala State. Bureau of Economics and Statistics.
Chicago-viite (17. p.)Kerala (India). Bureau of Economics and Statistics. Directory of Small Scale Industrial Units in the Urban Areas of Kerala State. Trivandrum: Bureau of Economics and Statistics.
MLA-viite (8. p.)Kerala (India). Bureau of Economics and Statistics. Directory of Small Scale Industrial Units in the Urban Areas of Kerala State. Bureau of Economics and Statistics.
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