linsel, H. (1966). theoretical problems of industrial planning. National Planning Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रlinsel, H. Theoretical Problems of Industrial Planning. cairo: National Planning Institute, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रlinsel, H. Theoretical Problems of Industrial Planning. National Planning Institute, 1966.
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