Tagaban, Rey Joseph.   <br/><br/>
Effect of Tourism activities on Gracilaria Sp in Blue Lagoon, Balaoi, Pagudpud, Ilocos Norte 
Tagaban, Rey Joseph.   
 -  2013 
 - xiii, 54 leaves   28 cm.  
<br/><br/> Thesis (BS Environmental Science) -- Mariano Marcos State University-College of Agriculture, Food and Sustainable Development, Batac City  
<br/><br/>Bibliography:  leaf 40