APA (7e ed.) Bronvermelding

Barrera, H. F. (2021). Problem-solving, Numerical and Variational Thinking in Elementary School: A Review. Universidad Pedagógica y Tecnológica de Colombia.

Chicago (17e ed.) Bronvermelding

Barrera, Hugo Fernando. Problem-solving, Numerical and Variational Thinking in Elementary School: A Review. Universidad Pedagógica y Tecnológica de Colombia, 2021.

MLA (9e ed.) Bronvermelding

Barrera, Hugo Fernando. Problem-solving, Numerical and Variational Thinking in Elementary School: A Review. Universidad Pedagógica y Tecnológica de Colombia, 2021.

Let op: Deze citaties zijn niet altijd 100% accuraat.