00419nam a2200145Ia 4500008004100000020001500041041001200056100001500068245011500083250000800198260002800206300000800234650001500242700001600257221030s9999    xx            000 0 und d  a1138494237  aEnglish  aD. Chaffey 0aDigital Marketing Excellence : Planning, Optimizing & Integrating Online Marketingcby D. Chaffey, P. R. Smith  a5th  bRoutledgeaLondonc2018  a660  aManagement  aP. R. Smith