Castillo, Le Gilian G.  <br/><br/>
Biomonitoring of toxic elements pollution using roadside vegetation along the National highway of District I, Ilocos Norte  
Le Gilian G. Castillo 
 -  2017  
 - xv, 87 leaves   28 cm.  
<br/><br/> Thesis (Bachelor of Science in Biology)  -- Mariano Marcos State University - College of Arts and Sciences, City of Batac  
<br/><br/>Bibliography:  leaves 45-48