Villanueva, Genny A. <br/><br/>
Seasonal Variation on the Catch of Biyakus Used in Minalin River, Minalin, Pampanga  [manuscript] / 
Genny A. Villanueva. 
 - Magalang, Pampanga :  Pampanga State Agricultural University,  2019. 
 - xviii; 90 leaves + CD ;  28 cm.