Research methodology for livestock on-farm trials :  proceedings of a workshop held at Aleppo, Syria, 25-28 March 1985 / 
editors: Thomas L. Nordblom, Awad El Karim Hamid Ahmed, and Gordon R. Potts. 
 - Ottawa :  International Development Research Centre,   1985. 
 - 313 p. ;   25 cm. 
<br/><br/><br/>engara 
<br/><br/><label>ISBN: </label>088936446X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Livestock--Research--Congresses.