Agulay, Angelita V.  <br/><br/>
Environmental factors and the extension productivity of the Mariano Marcos State University 
Angelita V. Agulay  
 -  1993 
 - xiii, 79 leaves   28 cm. 
<br/><br/> Thesis (MS Rural Development) -- Mariano Marcos State University-Graduate School, Laoag City  
<br/><br/>Bibliography: leaves 66-67