000
00287nam a22001217a 4500
008
171005b xxu||||| |||| 00| 0 eng d
041
_a
eng
080
_a
519.9
100
_a
49
101
_a
PSI
245
_a
EXPERIMENTAL DESIN IN PSYCHOLOGICAL RESEARCH
_c
EDWARDS,A.L
942
_2
udc
_c
BK
999
_c
31939
_d
31939