Ricardo, Luz L.  <br/><br/>
Chemistry teaching in the public secondary schools: basis for policy formulation  
Luz L. Ricardo 
 -  2008 
 - xiv, 172 leaves   28 cm. 
<br/><br/> Thesis (Ed.D.-Ed Mgt) -- Mariano Marcos State University, Laoag City 
<br/><br/>Bibliography: leaves 135-141