(1920). Journal of institution of engineers (India): Technicians journal. Institution of engineers.
शिकागो स्टाइल उद्धरणJournal of Institution of Engineers (India): Technicians Journal. India: Institution of engineers, 1920.
एमएलए उद्धरणJournal of Institution of Engineers (India): Technicians Journal. Institution of engineers, 1920.
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