Vesga-Bravo, G. J., & Escobar-Sánchez, R. E. (2018). Work on mathematical problem solving and its effect on the beliefs of high school students. Universidad Pedagógica y Tecnológica de Colombia.
Chicago-čujuhus (17. p.)Vesga-Bravo, Grace Judith, juo Rubén Esteban Escobar-Sánchez. Work on Mathematical Problem Solving and Its Effect on the Beliefs of High School Students. Universidad Pedagógica y Tecnológica de Colombia, 2018.
MLA-čujuhus (9. p.)Vesga-Bravo, Grace Judith, juo Rubén Esteban Escobar-Sánchez. Work on Mathematical Problem Solving and Its Effect on the Beliefs of High School Students. Universidad Pedagógica y Tecnológica de Colombia, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
