Ostle, Bernard <br/><br/>
Statistics in research : basic concepts and techniques for research workes /  
Bernard Ostle, Richard W. Mensing. 
 - 3a ed. 
 - Iowa :  University Press,  1979. 
 - 596 p. :  ěl. ;  23 cm. 
<br/><br/>Incluye apčndice e ěndice 
<br/><br/><label>ISBN: </label>0813815703 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Estadistica--Estudio y enseńanza
<br/><br/><label>LC Class. No.: </label>QA276  / O88 1979