Wheldon, H. J. (1974). Business statistics and statistical method rev by G L Thirkettle (7th ed.).
Styl cytowania ChicagoWheldon, Harold James. Business Statistics and Statistical Method Rev by G L Thirkettle. 7th ed. 1974.
Styl cytowania MLAWheldon, Harold James. Business Statistics and Statistical Method Rev by G L Thirkettle. 7th ed. 1974.
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