KHARIZMA YUNIAR, DIFA. “The Effectiveness 0f Using Monolingual Dictionary In Reading Comprehension of Eleventh Multimedia Smk N 12 Surabaya”. RETAIN : Journal of Research in English Language Teaching, vol. 2, no. 2, May 2014, https://ejournal.unesa.ac.id/index.php/retain/article/view/7557.