THE USE OF CONTEXTUAL TEACHING AND LEARNING (CTL) AND VISUAL DICTIONARY TO IMPROVE THE DEAF STUDENTS’ ABILITY IN WRITING SHORT FUNCTIONAL TEXT AT TENTH GRADE STUDENTS OF SMA NEGERI LUAR BIASA LUBUKLINGGAU - Riance, Astri; Teacher at Sekolah Luar Biasa Negeri Lubuk Linggau (Program studi Magister Pendididkan Bahasa Inggris Pascasarjana Universitas PGRI Palembang, 2015)