na INLIS000000000002671 20240416083150 0010-0424000088 ta 240416 g 0 ind 978-623-384-498-2 658 658 COS d Cosmas Gatot Haryono Digital public relations : Pemanfaatan big data, SEO, CSR, dan komunikasi krisis dalam kegiatan public relations di era digital / Cosmas Gatot Haryono Cet. 1 Jakarta : Kencana, 2023 288 hlm ; 15 x 23 cm Digital public relations