00493     2200169   4500001002100000008004100021035002000062245006400082100003000146250001000176260004700186300003300233020002200266084001400288082000800302990001300310INLIS000000000000221                                   ind    a0010-0324000221  aBelajar Social Media Marketingb-cJefferly Helianthusonfri  aHelianthusonfri, Jefferly  aEd. 1  aJakarta :bPT Elex Media Komputindo,c2019  ax + 178 hlm.;c21 cm x 14 cm  a978-623-00-0427-8  a004 JEF b  a004  a004 / 51