Castillanes, Mar Jay F. <br/><br/>
The use of 10-minute point count method for surveying migratory birds in Candaba swamp  [manuscript] / 
Mar Jay F. Castillanes. 
 - Magalang, Pampanga :  Pampanga State Agricultural University,  2019. 
 - xv; 70 pages + CD ;  28 cm.