Lesh, R. Et Al. 2013. Problem Solving in the Primary School (K-2). THE MATHEMATICS ENTHUSIAST , vol.10, no.1 , 35-60.

Lesh, R., English, L., Riggs, C., & Sevis, Ş., (2013). Problem Solving in the Primary School (K-2). THE MATHEMATICS ENTHUSIAST , vol.10, no.1, 35-60.

Lesh, Richard Et Al. "Problem Solving in the Primary School (K-2)," THE MATHEMATICS ENTHUSIAST , vol.10, no.1, 35-60, 2013

Lesh, Richard Et Al. "Problem Solving in the Primary School (K-2)." THE MATHEMATICS ENTHUSIAST , vol.10, no.1, pp.35-60, 2013

Lesh, R. Et Al. (2013) . "Problem Solving in the Primary School (K-2)." THE MATHEMATICS ENTHUSIAST , vol.10, no.1, pp.35-60.

@article{article, author={Richard Lesh Et Al. }, title={Problem Solving in the Primary School (K-2)}, journal={THE MATHEMATICS ENTHUSIAST}, year=2013, pages={35-60} }