Dumaoal, Arnold F.  <br/><br/>
Effects of anatomical marks and draft accessories on work performance of draft animals  
Arnold F. Dumaoal  
 -  1993 
 - xiv, 116 leaves   28 cm. 
<br/><br/> Thesis (MS Agriculture) -- Mariano Marcos State University-Graduate School, Laoag City  
<br/><br/>Bibliography: leaves 49-51