Information for development planning  Report of the seminar on information for development planning Parraya, Thailand 23-27 Jan. 1978 
editor Vijita B. de Silva 
 - BAngkok  United Nations Asian and Pacific Dev. Institute  1979 
 - 261p. ; 25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development--Congresses