BARUT, B. 2017. Performances of eighth grade students of Singapore, the United States and Turkey in ratio and proportion problems. The 19th Conference on Problem Solving (ProMath 2017) .

BARUT, B., (2017). Performances of eighth grade students of Singapore, the United States and Turkey in ratio and proportion problems . The 19th Conference on Problem Solving (ProMath 2017)

BARUT, BETÜL. "Performances of eighth grade students of Singapore, the United States and Turkey in ratio and proportion problems," The 19th Conference on Problem Solving (ProMath 2017), 2017

BARUT, BETÜL. "Performances of eighth grade students of Singapore, the United States and Turkey in ratio and proportion problems." The 19th Conference on Problem Solving (ProMath 2017) , 2017

BARUT, B. (2017) . "Performances of eighth grade students of Singapore, the United States and Turkey in ratio and proportion problems." The 19th Conference on Problem Solving (ProMath 2017) .

@conferencepaper{conferencepaper, author={BETÜL BARUT}, title={Performances of eighth grade students of Singapore, the United States and Turkey in ratio and proportion problems}, congress name={The 19th Conference on Problem Solving (ProMath 2017)}, city={}, country={}, year={2017}}