Duzenli-Gokalp, N. And Sharma, M. D. 2010. A study on addition and subtraction of fractions: The use of Pirie and Kieren model and hands-on activities. 2nd World Conference on Educational Sciences (WCES-2010) , (İstanbul, Turkey), 5168-5171.

Duzenli-Gokalp, N., & Sharma, M. D., (2010). A study on addition and subtraction of fractions: The use of Pirie and Kieren model and hands-on activities . 2nd World Conference on Educational Sciences (WCES-2010) (pp.5168-5171). İstanbul, Turkey

Duzenli-Gokalp, Nurgul, And Manjula Devi Sharma. "A study on addition and subtraction of fractions: The use of Pirie and Kieren model and hands-on activities," 2nd World Conference on Educational Sciences (WCES-2010), İstanbul, Turkey, 2010

Duzenli-Gokalp, Nurgul And Sharma, Manjula D. . "A study on addition and subtraction of fractions: The use of Pirie and Kieren model and hands-on activities." 2nd World Conference on Educational Sciences (WCES-2010) , İstanbul, Turkey, pp.5168-5171, 2010

Duzenli-Gokalp, N. And Sharma, M. D. (2010) . "A study on addition and subtraction of fractions: The use of Pirie and Kieren model and hands-on activities." 2nd World Conference on Educational Sciences (WCES-2010) , İstanbul, Turkey, pp.5168-5171.

@conferencepaper{conferencepaper, author={Nurgul Duzenli-Gokalp And author={Manjula Devi Sharma}, title={A study on addition and subtraction of fractions: The use of Pirie and Kieren model and hands-on activities}, congress name={2nd World Conference on Educational Sciences (WCES-2010)}, city={İstanbul}, country={Turkey}, year={2010}, pages={5168-5171} }