Παραπομπή APA

Gamarra Astuhuaman, G., & Pujay Cristóbal, O. E. (2020). Problem Solving, Skills and Academic Performance when Teaching Mathematics.

Παραπομπή Chicago Style

Gamarra Astuhuaman, Guillermo, και Oscar Eugenio Pujay Cristóbal. Problem Solving, Skills and Academic Performance When Teaching Mathematics. 2020.

Παραπομπή MLA

Gamarra Astuhuaman, Guillermo, και Oscar Eugenio Pujay Cristóbal. Problem Solving, Skills and Academic Performance When Teaching Mathematics. 2020.

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