000
00266nam a2200121 4500
999
_c
8243
_d
8243
003
OSt
005
20201007122534.0
008
201007b ||||| |||| 00| 0 eng d
020
_a
9788131704967
082
_a
001.42
_b
KUM
245
_a
Research methodology
942
_2
ddc