Lesh, R. Et Al. Modeling as a means for making powerful ideas accessible to children at an early age. 2013. In The SimCalc vision and contributions , Springer, London/Berlin , Dordrecht, 419-436.

Lesh, R., English, L., Sevis, Ş., & Riggs, C., (2013). Modeling as a means for making powerful ideas accessible to children at an early age. The SimCalc vision and contributions (pp.419-436), Dordrecht: Springer, London/Berlin .

Lesh, Richard Et Al. "Modeling as a means for making powerful ideas accessible to children at an early age." In The SimCalc vision and contributions , 419-436. Dordrecht: Springer, London/Berlin , 2013

Lesh, Richard Et Al. "Modeling as a means for making powerful ideas accessible to children at an early age." The SimCalc vision and contributions , Springer, London/Berlin , 2013, pp.419-436.

Lesh, R. Et Al. (2013) "Modeling as a means for making powerful ideas accessible to children at an early age", The SimCalc vision and contributions . Dordrecht: Springer, London/Berlin .

@bookchapter{bookchapter, author ={Richard Lesh Et Al. }, chaptertitle={Modeling as a means for making powerful ideas accessible to children at an early age}, booktitle={ The SimCalc vision and contributions}, publisher={Springer, London/Berlin }, city={Dordrecht},year={2013} }