TY - JOUR AU - Zhelyazkova, Tsvetelina AU - Boykina, Dobrinka TI - The heuristic “Dividing into subproblems” in solving geometric problems in 7-th grade JO - Mathematics and Education in Mathematics PY - 2024 SP - 141 EP - 148 VL - 53 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MEM_2024_53_a8/ LA - bg ID - MEM_2024_53_a8 ER -