Saksopon Suk-aun (2020) “A study of teachers’ functional competency in the 21st century in Mueangchaiphrachaotak network school group under Phranakhonsiayuttaya primary educational service area office 1”, panya, 27(2), pp. 63-71. Available at: https://so06.tci-thaijo.org/index.php/panya-thjo/article/view/245502 (Accessed: 12May2021).