Wellcome

Educational statistics for beginners S. R. Griffiths and L. W. Downes

By: Griffiths, S RContributor(s): Downes, L. WMaterial type: TextTextLanguage: English Series: Modern teachingPublication details: London : Methuen Educational Ltd. , 1969Description: vi, 151 p. ; 18 cmSubject(s): Education statistics | EducationDDC classification: 370 GRI
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