Tegu, Yustinus, and Munawwir Hadiwijaya. “The Effectiveness of Crossword Puzzle Games Toward the Students Vocabulary Achievement at VII Grade in SMPN 1 Nangaroro”. Verba: Journal of Applied Linguistics 1, no. 1 (May 30, 2022): 11–15. Accessed September 26, 2025. http://jurnal.anfa.co.id/index.php/verba/article/view/42.