"How to Say NO to Violence- Best Practices Exchanged for Preventing, Reducing and Combating Violence in the 2019/2020 school year"; the last activity of the international project entitled «SAY "NO" TO VIOLENCE!/SPUNE "NU" VIOLENȚEI!», an eTwinning project coordinated by “Radu Vlădescu” Theoretical High School Pătârlagele, Buzău county, Romania