FIBRY P, Y. “THE IMPLEMENTATION OF ENGLISH POP SONG AS A SUPPLEMENTARY MATERIAL TO TEACH WRITING NARRATIVE TEXT TO THE ELEVENTH GRADERS OF SMAN 1 KRIAN”. RETAIN : Journal of Research in English Language Teaching, Vol. 1, no. 3, Aug. 2013, https://ejournal.unesa.ac.id/index.php/retain/article/view/3782.