(1981). Sixth five year pla 1980-85. State Planning Board,Govt.of Kerala.
Chicago Edition CitationSixth Five Year Pla 1980-85. Thiruvananthapuarm: State Planning Board,Govt.of Kerala, 1981.
MLA Edition CitationSixth Five Year Pla 1980-85. State Planning Board,Govt.of Kerala, 1981.
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