APA (7th ed.) Citation

(2021). Problem-solving, Numerical and Variational Thinking in Elementary School: A Review.

Chicago Style (17th ed.) Citation

Problem-solving, Numerical and Variational Thinking in Elementary School: A Review. 2021.

MLA (8th ed.) Citation

Problem-solving, Numerical and Variational Thinking in Elementary School: A Review. 2021.

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