Social inferastructure sector report : national science and technology policy for Sri Lanka volume ix 

 - ence Colombo  Government press  1986 
 - 30 p.-                                                                          Sessional paper no. v-1986 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Community development
<br/><br/><label>Dewey Class. No.: </label>300  / SUB