Xayrullayeva, Charosxon Sayfullo kizi, and Raykhona Rustamjonovna Gulomova. 2026. “A Corpus-Based Analysis of Lexical Diversity (TTR) in Fourth-Year Uzbek EFL students’ Essays”. The Lingua Spectrum 3 (1):483-87. https://lingvospektr.uz/index.php/lngsp/article/view/1609.