Yodjan T, Chimwong L. Effects of the Blended Learning Model on Learning Achievement in Chairball Sports Course for Seventh Grade Student . Ratchaphruek [internet]. 2023 Dec. 14 [cited 2026 Aug. 26];21(3):77-92. available from: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/266181