000
00282nam a2200121Ia 4500
008
190216s9999||||xx |||||||||||||| ||und||
100
_a
Potti L R
245
0
_a
Research Methodology
260
_b
Yamuna Pub Tvm
_c
2003
300
_a
296
650
_a
Research Methodology
942
_c
BK
999
_c
6655
_d
6655