Chay, P. and Jogthong, C. (2014) “An Analysis of English Textbooks Used in Lower Secondary Schools in Cambodia”, Ratchaphruek Journal, 12(2), pp. 102–109. available at: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/240683 (accessed: 26 August 2026).