Não informado. (2000). Time and motion study. Institute of Industrial Technicians.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Time and Motion Study. Liverpool, Inglaterra: Institute of Industrial Technicians, 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Time and Motion Study. Institute of Industrial Technicians, 2000.
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