00546     2200193   4500001002100000005001500021035002000036007000300056008004100059020002200100082001200122084001800134100002900152245006300181250001100244260004800255300003200303650001700335INLIS00000000006679120211206020644  a0010-1221000052ta211206                g          0 ind    a978-623-00-0427-8  a006.754  a006.754 JEF b0 aJefferly Helianthusonfri1 aBelajar Social Media Marketing /cJefferly Helianthusonfri  aCet. 1  aJakarta :bPT. Elex Media Komputindo,c2019  a178 hlm. :bilus. ;c21 cm.  aSOSIAL MEDIA