TY - BOOK ID - 136174778 TI - Mathematical problem solving : issues in research AU - Garofalo, Joe AU - Lester, Frank K. PY - 1982 SN - 0891680497 PB - Philadelphia (Pa.): Franklin institute DB - UniCat KW - Mathematics KW - Mathematics KW - Problem solving KW - Research KW - Study and teaching UR - https://www.unicat.be/uniCat?func=search&query=sysid:136174778 AB - ER -