000
00287nam a22000857a 4500
008
210323b ||||| |||| 00| 0 eng d
050
_a
LB1051 .B43 1971
245
_a
An empirical basis for change in education
_b
selections on behavioral psychology for teachers
_c
BECKER, WESLEY C.
942
_2
lcc
999
_c
3336
_d
3336