Thongkoo, Krittawaya, และ Kannika Daungcharone. 2024. “Innovative Asynchronous Learning in a Blended Problem-Based Model: Transforming Educational Innovation Design and Development Course”. Journal of Digital Education and Learning Engineering 1 (1):7-16. https://so18.tci-thaijo.org/index.php/delethailand/article/view/604.