a Descriptive study on english vocabulary teaching-learning process at the first year of mild mental retardation students of SMPLB ABC YKAB Boyolali in the academic year of 2013/2014 - Noer Rochimah (Jurusan Pendidikan Bahasa Inggris Fakultas Ilmu Tarbiyah dan Keguruan IAIN Surakarta, 2014)