000
00304nam a2200133Ia 4500
008
160316s1978 xxu||||| |||| 00| 0 eng d
020
_a
100
_a
Best,John W
245
_a
Research In Education
250
_a
3RD
260
_a
NEW DELHI
_b
PRENTICE HALL OF INDIA
_c
1978
300
_a
403
700
_a
_a
999
_c
4215
_d
4215