000
00255nam a22001097a 4500
020
_a
9788131758434
082
_a
370.1072
_b
PAT.R
100
_a
R P Pathak
245
_a
Research in education and psychology
260
_a
Delhi
_b
Pearson
_c
2011
942
_c
BK
999
_c
202745
_d
202745