TY  - BOOK
AU  - Scandura,Joseph M.
AU  - Scandura,Alice B.
TI  - Structural learning and concrete operations: an approach to Piagetian conservation 
SN  - 0030566975
PY  - 1980///
CY  - New York
PB  - Praeger
KW  - Piaget, Jean,
KW  - Education
KW  - Philosophy
KW  - Conservation (Psychology)
N1  - Includes index; Bibliography: p.31-134
ER  -