Oragainsation executive course  Basic staff hat .v.d    

 - California  Bridge publication inc          1991 
 - 856p.; Bib. p.591-9.,App.: p.710-718p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:87.73.N91, NI.0