Eductiona Videos <br/><br/>
How communities grow and change / 
produced by Educational Videos. 
 - El Dorado Hills, CA :  Educational Videos,  1996. 
<br/><br/> 15 min. 
<br/><br/> Explains the causes and effects of changes in communities, discussing factors such as needs, wants, technology, population, industry, and natural resources. 
<br/><br/><label>ISBN: </label>1-58541-019-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communities.