Hertzberg, Hazel W. <br/><br/>
Teachimg population dynamics :  an instructional unit for the seco ndary school students / 
consultant: George W. Carey. 
 - New York :  Population Instructional Materials Project, Internatio nal Studies Program, Teachers College, Colombia University,  1965. 
 - 91 p. :  tables ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demography--Study and teaching.<br/>Population--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>312.07