Kasanga, R. K. <br/><br/>
Internal migration and urbanisation in developing countries :  findings from a study of Ghana / 
by R.K. Kasanga and M. R. Avis. 
 - [Reading, England] :  University of Reading, Dept. of Land Management and Development,  c1988. 
 - vii, 108 p. :  map ;  30 cm. 
 - Research papers in land management and development.  Environmental policy ;  no. 1 .