AN ERROR ANALYSIS ON DESCRIPTIVE ESSAY WRITING PRODUCED BY THE THIRD SEMESTER STUDENTS OF ENGLISH EDUCATION DEPARTMENT OF UNIVERSITAS SARJANAWIYATA TAMANSISWA - Pembimbing: Sudirman, Anselmus,LINARTI, DEVI,Pembimbing: Ghozali, Imam (Prodi Bahasa Inggris, FKIP, UST, 2015)