00356nam a2200097Ia 4500080001800000100002000018245011600038260006500154300002100219583001800240  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