เชื้อวังคา ว., and ภูษาวิโศธน์ พ. “Using Genre-Based Teaching Activities to Develop Application Letter Writing Abilities for High Vocational Certificate Students”. Journal of Roi Et Rajabhat University, vol. 11, no. 2, Dec. 2017, pp. 282-9, https://so03.tci-thaijo.org/index.php/reru/article/view/176376.