@article{Burlakova2015continuity,
author={Burlakova, T.. and Tselishcheva, I..},
title={Continuity in Training Primary School Students and Fifth- and Sixth-Graders on How to Solve Mathematical Problems},
journal={Primary Education},
publisher={INFRA-M Academic Publishing LLC.},
year={2015},
pages={10-20},
volume={3},
issue={4},
}