Riani, N. (2017). AN ANALYSIS OF THE STUDENTS’ ABILITY IN USING ADVERB OF FREQUENCY IN SIMPLE PRESENT TENSE: A STUDY ON THE FIRST YEAR STUDENTS OF SMA N 7 PADANG IN ACADEMIC YEAR 2009/2010. NUR EL-ISLAM : Jurnal Pendidikan Dan Sosial Keagamaan, 4(2), 166–187. Retrieved from https://ejurnal.iaiyasnibungo.ac.id/index.php/nurelislam/article/view/76