Ptak, Roderich <br/><br/>
Hainans Exportwirtschaft, 1978-1987 
Roderich Ptak 
 - Köln  Weltforum Verlag  1990  1990 
 - 28 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economy -- Trade -- Export -- Hainan -- Communist China