what is a demographic transition model???

3 answers

http://www.google.com/#sclient=psy&hl=en&q=demographic+transition+model&aq=f&aqi=g5&aql=&oq=&gs_rfai=&pbx=1&fp=7b3e9e0669ddb0a1

Read several. Read carefully. Take good notes.
thnk u
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