Nakamura, Haruto, and Emiko Fujimoto. “Integrating Sustainability into English Language Teaching: A Quantitative Analysis of Outcomes”. Research Studies in English Language Teaching and Learning 2, no. 1 (January 12, 2024): 45–54. Accessed February 23, 2025. https://rseltl.pierreonline.uk/index.php/J/article/view/36.