Puyaoan, Mariano C.  <br/><br/>
Correlates of attrition among high school students: implications to educational management 
Mariano C. Puyaoan 
 -  1990 
 - xviii, 215 leaves   28 cm. 
<br/><br/> Thesis (PhD.-Educational Management) -- Mariano Marcos State University, Graduate School, Laoag City  
<br/><br/>Bibliography: leaves 183-193