TY - BOOK AU - Lesh, Richard A. AU - Doerr, Helen M. CN - QA11.2 CN - QA11.2 CY - Mahwah, N.J. : DA - 2003. ID - 276873 KW - Mathematics KW - Constructivism (Education) PB - Lawrence Erlbaum Associates, PP - Mahwah, N.J. : PY - 2003. SN - 0805838228 (pbk. : alk. paper) SN - 080583821X (alk. paper) T1 - Beyond constructivism :models and modeling perspectives on mathematics problem solving, learning, and teaching / TI - Beyond constructivism :models and modeling perspectives on mathematics problem solving, learning, and teaching / ER -