00269pam a2200109 a 4500020000500000041000500005082001100010100002600021245004000047260006000087300001200147  c  h  a658.84  aGUPTA (Seema)eauthor  aDigital MarketinghTextual Document  bMcGraw Hill Education (India) Pvt. Ltd. New Delhic2018  avi, 404