Vietnam  a country study/ 
Ronald J. Cima. 
 - Washington, D.C.  The Division  1989 
 - xlvi, 386 p. :   ill. ;   24 cm. 
 - Da pam  v.550-32 .
<br/><br/> Research completed November 1987 
<br/><br/>p. 335-361 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Vietnam