APA (7th ed.) Citation

Olkun, S., Altun, A., & Deryakulu, D. (2009). Development and evaluation of a case-based digital learning tool about children's mathematical thinking for elementary school teachers (L-TEST). European journal of teacher education, 32(2), 151-165. https://doi.org/10.1080/02619760902783875

Chicago Style (17th ed.) Citation

Olkun, Sinan, Arif Altun, and Deniz Deryakulu. "Development and Evaluation of a Case-based Digital Learning Tool About Children's Mathematical Thinking for Elementary School Teachers (L-TEST)." European Journal of Teacher Education 32, no. 2 (2009): 151-165. https://doi.org/10.1080/02619760902783875.

MLA (9th ed.) Citation

Olkun, Sinan, et al. "Development and Evaluation of a Case-based Digital Learning Tool About Children's Mathematical Thinking for Elementary School Teachers (L-TEST)." European Journal of Teacher Education, vol. 32, no. 2, 2009, pp. 151-165, https://doi.org/10.1080/02619760902783875.

Warning: These citations may not always be 100% accurate.