Su, . . Y. ., Mohammed, . . A. S. A., Li, . . X. ., Dong, . . S., & Dai, Y. . (2025). Measuring and enhancing lexical richness of middle school students’ EFL written production. Asian Journal of Contemporary Education, 9(2), 228–240. https://doi.org/10.55493/5052.v9i2.5794