Use of Optional Exercises in Mathematics in Primary Classes

@article{internat202255,
  author = {Shabatova Rabiģa Janasbay-kizi},
  title = {Use of Optional Exercises in Mathematics in Primary Classes},
  journal = {International Journal on Integrated Education},
  volume = {5},
  number = {1},
  year = {2022},
  url = {https://doi.org/10.31149/ijie.v5i1.2618},
  doi = {10.31149/ijie.v5i1.2618},
}