Problems of reproduction and national economic planning in socialism and developing countries.  Pt. 1. 

 - [Berlin],  1971. 
<br/><br/> University of economic science Berlin. Eighth international summer seminar. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Socialism.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Developing countries -- Economic policy.--Developing countries -- Economic policy.