000
00278nam a2200109 4500
082
_a
630.715 RAY-R
100
_a
Ray G.L.
245
_a
Research Methods in social science and extension education
260
_a
Ludhiana
_b
Kalyani
_c
2016
300
_a
330
942
_2
ddc
_c
BK
_0
2
999
_c
128102
_d
128102