00533nam a2200169Ia 4500008004100000010001400041020001800055040001700073082002400090100001600114245005400130260004700184300001800231650006900249700002400318700002100342190327s9999||||xx |||||||||||||| ||und||  a74-182039  a0-03-076695-8  aNITILcNITIL  221sta370.72bA796I  aAry, Donald 0aIntroduction to research in educationcDonald Ary  aNew YorkbHolt, Rinehart and Winstonc1972  avi, 378p+ tab  aEducation-Research; Education-Evaluation; Educational Statistics  aJacobs, Lucy Cheser  aRazavieh, Asghar