na INLIS000000000020947 20210921020918 0010-1020000036 ta 210921 i 0 ind 000 006.754 JEF y Jefferly Helianthusonfri Yuk jadi youtuber / Jefferly Helianthusonfri Cet. 1 Jakarta : Elex Media Komputindo, 2018 165 hlm : ilus ; 21 cm 978-602-04-7862-3 Situs Jejaring Sosial, Sosial Media 08/DKP/2020