SASTA PRASETYA, J. (2016) “A DESCRIPTIVE STUDY OF REPEATED DRILL EXERCISE IMPLEMENTATION AS A MEANS TO MEMORIZE THE VERB FORMATION”, RETAIN : Journal of Research in English Language Teaching, 1(1). Available at: https://ejournal.unesa.ac.id/index.php/retain/article/view/14059 (Accessed: 4May2024).