David, F. N.
Elementary statistical exercises / F. N. David - Cambridge : CambridgeUniversity press, 1963. - viii, 108 p., fig., tab.; 27 cm.
Sociology
311 / DAE
Elementary statistical exercises / F. N. David - Cambridge : CambridgeUniversity press, 1963. - viii, 108 p., fig., tab.; 27 cm.
Sociology
311 / DAE