Rabanal, Nympha Joy T. <br/><br/>
Water quality assessment of 'Paraiso ti Caribquib' spring in Banna, Ilocos Norte / 
Nympha Joy T. Rabanal 
 -  2013 
 - xii, 55 leaves, 4 plates ;  28 cm. 
<br/><br/> Thesis (BS Biology) -- Mariano Marcos State University - College of Arts & Sciences, City of Batac, 2013 
<br/><br/>Bibliography : leaves 44-45.