Asai, T. ., Honda, R. ., Watanabe, K. ., & Ozasa, T. . (2019). A Correspondence Analysis of Seventeen Japanese Historical Third-Year English-as-a Foreign-Language Textbooks. International Journal of Learning, Teaching and Educational Research, 18(4), 17–48. Retrieved from http://www.ijlter.net/index.php/ijlter/article/view/572