Dear colleagues, We would like to invite proposals for articles for an international blind peer-review scientific journal (CFP_2021) Problems of Education in the 21st Century ISSN 1822-7864 (Print), ISSN 2538-7111 (Online) http://www.scientiasocialis.lt/pec/ Papers submitted to PEC_CFP_2021 should be original work and substantively different from papers that have been previously published or are under review in a journal or […]