TY - BOOK ID - 146088379 TI - The psychology of mathematics for instruction AU - Resnick, Lauren B. AU - Ford, Wendy W. PY - 1984 SN - 0863770142 PB - London ; Hillsdale (NJ) : Lawrence Erlbaum Associates [LEA], DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:146088379 AB - ER -