Santillan, Christopher C. <br/><br/>
Stock assessment of sea urchin resources in Ilocos Norte / 
Christopher C. Santillan 
 - Currimao :  MMSU,  2016 
 - xi, 42 leaves :  color illustration ;  28 cm. 
<br/><br/> UThesis (Bachelor of Science in Marine Biology)<br/><br/>Bibliography : leaves 33-34