*Publication* Accepted papers of CSTE 2020 will be published into International Journal of Information and Education Technology (IJIET, http://www.ijiet.org/). Abstracting/ Indexing: Scopus, EI (INSPEC, IET), Cabell's Directories, DOAJ, Electronic Journals Library, Engineering & Technology Digital Library, EBSCO, Google Scholar, Crossref and ProQuest. *Submission* 1. Full paper(publication and presentation) 2. Abstract (presentation only without publication) 3. Length: Each full paper should be more than 5 full pages and less than 10 full Pages, including all figures, tables, and references. 1)Submit paper via online system: http://confsys.iconf.org/submission/cste2020 2)Submit paper via email: This email address is being protected from spambots. You need JavaScript enabled to view it. details about submission, please visit at http://cste.net/submission.html.