The Effectiveness of articulation method to teach speaking (an experimental study at the second grade students of SMP Kasatriyan 1 Surakarta in the academic year of 2014/2015) - Fitria Hidayati (Jurusan Pendidikan Bahasa Inggris Fakultas Ilmu Tarbiyah dan Keguruan IAIN Surakarta, 2016)