1.
Sukonwiriyakul T, Klaisang J. Learning Design of Cloud Based Mobile Learning with 4Ex2 Model on Mathematical Problem Solving Ability. OJED [Internet]. 2020 Dec. 29 [cited 2024 May 6];15(2):OJED1502003a (15 pages). Available from: https://so01.tci-thaijo.org/index.php/OJED/article/view/245393