Gantyo Koespradono text Jakarta Gramedia Pustaka Utama 2009 id xxvi, 144 hlm.; 20 cm. Menulis Efektif -- Menulis Media Sosial 808.1 978-979-2-4953-8 250804 20250804104419 INLIS000000000002789 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)