TY  - BOOK
AU  - Nyberg,David
TI  - Tough and tender learning
SN  - 0874841844(pbk)
AV  - LB1025.2 .N9
U1  - 371.1/02 
PY  - 1971///]
CY  - Palo Alto, Calif.
PB  - National Press Books
KW  - Teaching
KW  - Local
KW  - Learning
N1  - 920306; Bibliography: p. 182-186
ER  -