000 00553nam a22001937a 4500
999 _c11037
_d11037
005 20200721132808.0
008 181018b ||||| |||| 00| 0 eng d
020 _a9693700031
040 _cPK-IsLIS
082 _a370.78
_bZ138
100 _aZaki, W. M.
245 _aEducational research /
_cW. M. zaki
260 _aIslamabad :
_bNBF,
_c1989
300 _a188 p.
650 _aEducation--Research
650 _aEducation
942 _cBK
505 0 _aNature of educational research; Research design; Measuring instruments; Statistical analysis