Sweet potato variety evaluation / 
edited by Rasco, E.T. 
 - 2nd ed. 
 - Laguna :  Southeast Asian Program for Potato Research and Development,  1994 
 - 2v. :  ill. ;  28 cm. 
<br/><br/> Volume 1 - Training manual; volume 2 - background papers and SAPPRAD country reports 
<br/><br/><label>ISBN: </label>9719020016 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sweet potatoes--Varieties--Evaluation