Lunrasri, Y. ., K. . Tangdhanakanond, and S. . Pasiphol. “Analysis of Parallel Reading Literacy Instruments: Application of Item Response Theory to Statistical Parallelism”. Kasetsart Journal of Social Sciences, vol. 44, no. 1, Mar. 2023, pp. 257–266, https://so04.tci-thaijo.org/index.php/kjss/article/view/264472.