00385nam a2200109Ia 450000500170000008000180001710000200003524501160005526000650017130000210023658300180025720260716043537.0  a14.07.01 S613  aSimpson, Joy M.  aA demographic analysis of internal migration in Trinidad and Tobago - a descriptive and theoretical orientation  bUWI. Institute of Social and Economic ResearchaMonaJMc1973  avi, 63 p. : maps  c11/3/04kJOYD