@article{Özdemir_2022, title={Middle School Students’ Understanding of Equal Sign}, volume={10}, url={https://shanlaxjournals.in/journals/index.php/education/article/view/4837}, DOI={10.34293/education.v10i4.4837}, number={4}, journal={Shanlax International Journal of Education}, author={Özdemir, Ercan}, year={2022}, month={Sep.}, pages={23-38}