Organized by EUSER, ICSS XXI will be held at the Congress Center located at Amsterdam Science Park, 123 1098XG, Amsterdam, Netherlands on 3-4 April 2020 as in-person, poster presentation and virtual forms. Contributions in Education, Business, Economics, Language, Literature, Humanities and Social Sciences will be presented at the conference. The accepted papers will be published in proceedings book and in one of the 10 scientific journals.