Singh, R. (1988). Organizational control mechanism. Northern Book Centre.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSingh, R.P. Organizational Control Mechanism. Northern Book Centre, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSingh, R.P. Organizational Control Mechanism. Northern Book Centre, 1988.
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