SADIDA, A. “THE USE OF POP SONGS AS MEDIA TO IMPROVE ELEVENTH GRADERS’ SPEAKING ABILITY IN PERFORMING MONOLOGUE USING SIMPLE PAST TENSE”. RETAIN : Journal of Research in English Language Teaching, Vol. 1, no. 3, Aug. 2013, https://ejournal.unesa.ac.id/index.php/retain/article/view/3850.