Ruguian, Cherry T. <br/><br/>
On farm evaluation of natural and artificial breeding of swine in Ilocos Norte 
Cherry T. Ruguian. 
 - xvii, 93 leaves  28 cm 
<br/><br/> Thesis (M.S. Agri. - Animal Sci) -- Mariano Marcos State University-Graduate School, Laoag City 
<br/><br/>Bibliography: leaves 64-68