A studi about english Urealulary mastery among the first year students of SMKN I Seyegan Sleman in academic year 2004/2005 PUJI SETYO UTAMI text Yogyakarta: English Language Education Program Language and Arts education Department Teachers Training and Education Faculty Sarjanawiyata Taman Siswa University 2004. ind Bibliografi: (lbr. 43-44) Bahasa Inggris-studi dan pengajaran