TY  - BOOK
AU  - Tuma, David T. (Ed.)
TI  - Problem Solving And Education : Issues In Teaching And
SN  - 470269189
U1  - 153.43 PRO 1980 
PY  - 1980///
PB  - Lawrence Erlbaum Associates
N1  - XI, 212 P. 23 CM
ER  -