Kohn, Bernice <br/><br/>
Scientific method / 
Kohn, Bernice 
 -  Prentice-Hall, Inc., Englewood Cliffs, N J,  1967 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology (Applied sciences)
<br/><br/><label>Dewey Class. No.: </label>600 KOH-S