Sabas, Annabelle C.  <br/><br/>
Insecticidal effect of yellow bell (Allamanda cathartica L.) leaf extract on diamondback moth (Plutella xylostella) 
Annabelle C. Sabas  
 - xv, 51 leaves   28 cm.  
<br/><br/> Thesis (BS Biology) -- Mariano Marcos State University-College of Arts & Sciences, Batac City  
<br/><br/>Bibliography: leaves 31-32