Gunatilleke, Godfrey,. ed.(et.al) <br/><br/>
SEASONALITY and health: a study of the socio-economic environment of ill-health 

 - Colombo  MARGA Institute  1988 
 - 135 p. 
<br/><br/><label>ISBN: </label>124297 
<br/><br/><label>Dewey Class. No.: </label>363.7  / SEA