%0 Journal Article %A Lazarov, Borislav %T On students’ achievements assessment in Chernorizec Hrabar Tournament and TIMSS %J Mathematics and Education in Mathematics %D 2020 %P 229-233 %V 49 %I mathdoc %U http://geodesic.mathdoc.fr/item/MEM_2020_49_a25/ %G bg %F MEM_2020_49_a25