ศรีทอง ช. “Passive Voice in Spanish in News Online: Reflexive Passive with Se-construction and Periphrastic Passive with Ser”. Journal of Liberal Arts Prince of Songkla University, vol. 7, no. 2, Aug. 2025, pp. 132-56, https://so03.tci-thaijo.org/index.php/journal-la/article/view/63249.