Sajjaboriboon, T. . “Development of Application for Tutorial on Computer Graphics Lesson for Student of Multimedia Technology Department Nakhon Pathom Rajabhat University”. Rajapark Journal, vol. 15, no. 41, July 2021, pp. 283-95, https://so05.tci-thaijo.org/index.php/RJPJ/article/view/250525.