Comision del Codex Alimentarius. Manual de procedimiento. 

 - 20 ed. 
 - Roma (Italy):   FAO/OMS,   2011.  
 - 228 p. 
<br/><br/> Also issued in (En): Codex Alimentarius Commission.Procedural manual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rhizobium<br/>Norma<br/>Codex Alimentarius