Mary John. (1985). Recent developments in input- output analysis. Department of Mathematics and Statistics, Cusat.
शिकागो स्टाइल उद्धरणMary John. Recent Developments in Input- Output Analysis. Cochin: Department of Mathematics and Statistics, Cusat, 1985.
एमएलए उद्धरणMary John. Recent Developments in Input- Output Analysis. Department of Mathematics and Statistics, Cusat, 1985.
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