30 menit easy writing, writing is easy text Yogyakarta Andi 2006 ind x, 182 hlm ilus 21 cm Peni R. Pramono; editor, Oktaviani Hastu Sudiyarto Bibliografi : hlm. 163 Bahasa Inggris - Studi dan pengajaran 979-763-197-4 20090227034537.0 YOGYA-02090000058608 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)