Namburi, S. . “The Development of Blended E-Learning Lessons of the Chemistry Laboratory Course for Secondary Level 4 in Science-Math Program Project, Yala Rajabhat University”. Journal of Modern Learning Development, vol. 6, no. 2, Apr. 2021, pp. 236-51, https://so06.tci-thaijo.org/index.php/jomld/article/view/247728.