สลับศรี นงนุช. “Development of the Cartoon E-Book on the Eight Learners Desired Characteristics for the 4th Grade Students at Watdondamrongtham School in Chonburi Province”. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University 15, no. 3 (December 8, 2020): 99–108. Accessed April 26, 2024. https://so02.tci-thaijo.org/index.php/Pitchayatat/article/view/245980.