Kelsen, K. (2010). Unleashing the power of digital signage: Content strategies for the 5th screen. Focal Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKelsen, Keith. Unleashing the Power of Digital Signage: Content Strategies for the 5th Screen. Amsterdam: Focal Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKelsen, Keith. Unleashing the Power of Digital Signage: Content Strategies for the 5th Screen. Focal Press, 2010.
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