00722nam0-22002651i-450-990002513360403321000251336FED01000251336(Aleph)000251336FED0100025133620000920d1917----km-y0itay50------baENGStatistical Methods in EducationHarold O. Rugg.BostonHoughton Mifflin1917.XV, 410 p.22 cmStatistica socialeRugg,Harold O.ITUNINARICAUNIMARCBK990002513360403321XXVIII-B-337196MASMASStatistical Methods in Education439748UNINAING01