ISMIL AROBI, M. “THE EFFECTIVENESS OF USING COMMUNICATIVE FEATURES IN TEACHING SPEAKINGTO THE EIGHTH GRADERS IN SMP N 1 SUKOREJO”. RETAIN : Journal of Research in English Language Teaching, Vol. 1, no. 3, Aug. 2013, https://ejournal.unesa.ac.id/index.php/retain/article/view/3852.