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¿Cómo cuidar y qué hacer con un paciente de Covid-19 en casa?
simple, graphical howto about isolating an infected person at home. La Vanguardia
covid-19  covid  corona  virus  positive  isolate  infect  infected 
9 days ago by piperh
Google Ranking Factors: 260+ Facts & Myths | Northcutt
point by point references to seo myths and facts, positive and negative features of a web site. Worth reading.
webdesign  web  design  webdev  seo  rank  ranking  positive  negative  factor  google 
november 2015 by piperh

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