Principles for food production 

 -  1989 
<br/><br/>incluye índice 
<br/><br/>1. Preamble 2. Purpuse and principles 
<br/><br/> food production. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. PRINCIPLE No. 1 2. Principle No. 5
<br/><br/><label>Universal Decimal Class. No.: </label>634.956 P9573