000 006520000a22001930004500
001 013135
005 20250617120519.0
008 130411t xxu||||| |||| 00| 0 eng d
020 _a0335074391
040 _aLC
_cLC
_dABK
_eRDA
082 _a001.433
_b BLO
245 _aBlock 4 data collection procedures :
_bresearch methods in education and social sciences /
260 _aWalton Hall :
_cc1979
_bOpen University Press
300 _a179pages :
_billustrations ;
_c30 cm
500 _aIncludes bibliographical references
650 _aData collection
_94215
710 _aThe British Open University Foundation Center
_915981
942 _cBOOK
_2ddc
999 _c13135
_d13135