00458nmm a2200157Ia 4500008004100000020001800041041000800059100002700067245002000094264006600114300001800180650002700198856005100225942000700276999001700283251105s9999||||xx |||||||||||||||||und|| a9788497886499 aspa aSivera Bello, Sílvia 0aMarketing viral a[Madrid, España] :bUniversitat Oberta de Catalunya, c2008 a104 páginas aEconomics and Business uhttps://public.digitaliapublishing.com/a/20431 cCF c90702d90702