OKTAVIANI, PUTRI. “THE IMPLEMENTATION OF BARNEY VIDEO TO TEACH VOCABULARIES AT TK B PEJAJARAN SURABAYA”. RETAIN : Journal of Research in English Language Teaching 1, no. 3 (August 28, 2013). Accessed May 19, 2024. https://ejournal.unesa.ac.id/index.php/retain/article/view/4141.