TY  - BOOK
AU  - Steffe,Leslie P
AU  - Thompson,Patrick W.
AU  - 
TI  - Interaction or intersubjetivity ? : a reply to Lerman
KW  - CONSTRUCTIVISMO
KW  - EDUCACION MATEMATICA
KW  - VYGOTSKI, LEV SEMIONOVIDH, 1896-1934
ER  -