A. P. Azharra, J. Shodiq, and A. Setyaji, “The use of flashcard to improve students’ vocabulary mastery in writing descriptive text: case of grades 7 of SMPN 5 Ambarawa in the academic year 2021/2022”, J-REaLL, vol. 3, no. 2, pp. 98–103, Oct. 2022.