Nirattisai, Supika, and Thanyapa Palanukulwong. “A New Measure for Thai students’ Vocabulary Size: The English-Thai Version of Vocabulary Size Test”. Journal of English Studies 14 (December 16, 2016): 155–181. Accessed May 2, 2024. https://publicaciones.unirioja.es/ojs/index.php/jes/article/view/3030.