Boothroyd, J., & Intuitive. (2017). Why do moving objects slow down?: A look at friction.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBoothroyd, Jennifer, और Intuitive. Why Do Moving Objects Slow Down?: A Look at Friction. 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBoothroyd, Jennifer, और Intuitive. Why Do Moving Objects Slow Down?: A Look at Friction. 2017.
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