00562nam a22001457a 4500003000400000005001700004008004100021020001800062040001900080082002000099100003100119245022900150300002300379650001400402OSt20210323152713.0210323b           ||||| |||| 00| 0 eng d  a9789785115451  cKABLIBdKABLIB  223a001.42bOKO  aOkorodudu, Richard Irikefe  aResearch Methods and Statistics a Practical Approach :bfor undergraduate and postgraduate studies in education social sciences, psychology and other disciplines concerned with empirical research cRichard Irikefe Okorodudu   axvi,345p. ;c21cm.  aResearch