“The Effectiveness of Crossword Puzzle-Based Learning to Improve Critical Thinking Skills (Critical Thinking) On Students: Literature Review”. PINUS: Jurnal Penelitian Inovasi Pembelajaran 10, no. 1 (September 1, 2024): 11–22. Accessed April 11, 2025. https://ojs.unpkediri.ac.id/index.php/pinus/article/view/23460.