APA Citation

Vargas Vargas, G., & Gamboa Araya, R. (2013). The Van Hiele model and the teaching of the geometry.

Chicago Style Citation

Vargas Vargas, Gilberto, and Ronny Gamboa Araya. The Van Hiele Model and the Teaching of the Geometry. 2013.

MLA Citation

Vargas Vargas, Gilberto, and Ronny Gamboa Araya. The Van Hiele Model and the Teaching of the Geometry. 2013.

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