tecno magazine (2018) "tipos de software" tomado de https://tecnomagazine.net/2018/10/25/tipos-de-software/

google (2011)tomado de https://www.google.com/search?q=que+es+twitch&rlz=1C1CHBF_esCO912CO912&oq=que+es+tw&aqs=chrome.2.69i57j0i433l2j0l4j69i60.5463j1j7&sourceid=chrome&ie=UTF-8

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