Bayu Islam Assasaki. “Flashcard As A Teaching Aid: An Action Research on Vocabulary Measurement of EFL Students In SMK IP YADARO Moyot”. MULTIPLE: Journal of Global and Multidisciplinary, vol. 2, no. 4, Apr. 2024, pp. 2066-75, https://journal.institercom-edu.org/index.php/multiple/article/view/454.