SARASAEN, S. “The Results of Flipped Classroom of the Integrated Science Learning about Electric for Grade 9 Students via Google Classroom”. Journal of Teacher Professional Learning Community (JTPLC) (Online), vol. 4, no. 1, Apr. 2024, pp. 56-71, https://so05.tci-thaijo.org/index.php/JTPLC/article/view/270609.