Agbuggo, Mirasol V.  <br/><br/>
Cytological effect of prickly pear cactus (Opuntia ficus-indica) crude extract on paramecium sp. isolated from pond water 
Mirasol V. Agbuggo  
 -  2008 
 - xv, 45 leaves   28 cm. 
<br/><br/> Thesis (BS Biology) -- Mariano Marcos State University-College of Arts & Sciences, Batac City   
<br/><br/>Bibliography: leaves 30-31