Balicoco, Richard John <br/><br/>
Antibacterial activity of periwinkle (Vinca rosea L.) leaf extract 
Richard John Balicoco 
 -  2004 
 - xviii, 77 leaves   28 cm.  
<br/><br/> Thesis (BS Biology) -- Mariano Marcos State University-College of Arts & Sciences, Batac City  
<br/><br/>Bibliography: leaf 40