Evangelista, Armando C. Jr.   <br/><br/>
Design, construction and evaluation of a paddle type aerator for fishponds 
Armando C. Evanagelista Jr.   
 -  2008  
 - xii, 66 leaves   28 cm. 
<br/><br/> Thesis (BS Agricultural Engineering) -- Mariano Marcos State University-College of Engineering, Batac City  
<br/><br/>Bibliography: leaf 41