Freeman, C. (1982). Unemployment and technical innovation: A study of long waves and economic development. London: Frances Pinter.
शिकागो स्टाइल उद्धरणFreeman, Christopher. Unemployment and Technical Innovation: A Study of Long Waves and Economic Development. London: Frances Pinter, 1982.
एमएलए उद्धरणFreeman, Christopher. Unemployment and Technical Innovation: A Study of Long Waves and Economic Development. London: Frances Pinter, 1982.
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