Martinez, Ma. Cresilda O. <br/><br/>
A Study of sweet potato farming and marketing in selected areas of Camarines Sur 
Ma. Cresilda O. Martinez 
 - Quezon City  Ateneo de Manila University  1997. 
 - vii, 68p. 
<br/><br/>Business Administration 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Business administration
<br/><br/><label>LC Class. No.: </label>T-00439