Timbol, Kenneth M. <br/><br/>
The growth performance of cobb broilers supplemented with different levels of aloe vera (Aloe barbadensis Miller) extract  [manuscript] / 
Kenneth M.Timbol. 
 - Magalang, Pampanga :  Pampanga State Agricultural University,  2017. 
 - ix, 44 leaves :  illustrations ;  28 cm.