正題名/作者 : Epistemology and psychology of functions // by Jean Piaget.
作者 : Piaget, Jean.
ISBN : 9027708045
LEADER 00207nam 2200073 a 450
001 123294
008 1977 001 0 eng
020 $a9027708045
035 $a00100768
100 1 $aPiaget, Jean.$3202984
245 10$aEpistemology and psychology of functions /$cby Jean Piaget.