Ungar, E. D. <br/><br/>
Management of agropastoral systems in a semiarid region / 
E. D. Ungar. 
 - Wageningen :  Pudoc,  1990. 
 - ix, 221 p. :  ill. 
 - Simulation monographs ;  31 .
<br/><br/><label>ISBN: </label>902200947 
<br/><br/><label>LCCN: </label>91013003     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farm management--Case studies.<br/>Arid regions agriculture.<br/>Farm management--simulation methods.<br/>Grazing districts.