Suetae, J., and C. K. Yok. “Lexical Errors in the Written Compositions of Thai EFL Students: Neglectful Instruction of Vocabulary Teaching”. Al-HIKMAH Journal, vol. 2, no. 4, Apr. 2018, pp. 1-15, https://so01.tci-thaijo.org/index.php/HIKMAH/article/view/113401.