Melasari, M., Ismawati, K., & Nanda, D. (2019). The Effect of Using Crossword Puzzle Towards Students’ Vocabulary Mastery in the Eleventh Grade Students of SMA Muhammadiyah 2 Bandar Lampung in Academic Year 2017-2018. Journal of English Education Studies, 2(1), 67-73. https://doi.org/10.30653/005.201921.37