Li, Xin, and Jinwen Xu. “Let’s Go Eco: A Positive Discourse Analysis of English Reading Materials in High School Textbooks Based on the Attitude System”. Linguistic Exploration 1, no. 1 (April 27, 2025): 36–50. Accessed May 2, 2025. https://ojs.bilpub.com/index.php/le/article/view/211.