TY - BOOK T1 - Media Planning and buying in the 21st century : Integrating tradicional and digital media A1 - Geskey, Ronald D. LA - English PP - Michigan PB - 2020:Marketing Communications LLC YR - 2015 UL - https://colectivo.uloyola.es/Record/L98620 OP - 632 SN - 9781502358714 SN - 1502358719 KW - Publicidad KW - Medios de comunicación social ER -