Cottrell, William F. <br/><br/>
Technology, man and progress 
by William F. Cottrell 
 - Columbus  Charles E. Merrill Publishing Co.  1972 
 - 194 p. : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>067509335X 
<br/><br/><label>LCCN: </label>70-170880 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching<br/>Education--Aims and objectives<br/>School management and organization--United States