Muhammad Taimoor A.A Gurmani, et al. “AN EVALUATION OF VOCABULARY OF ENGLISH TEXTBOOKS OF PAKISTAN AND SAUDI ARABIA THROUGH CEFR”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 18, no. 10, Nov. 2021, pp. 3375-87, https://archives.palarch.nl/index.php/jae/article/view/10381.