Abrogena, Lilibeth G.  <br/><br/>
Comparative effectiveness of indirect and direct teacher-student interaction patterns in science instruction  
Lilibeth G. Abrogena 
 -  2009 
 - xiii, 112 leaves   28 cm.  
<br/><br/> Thesis (M.A.Ed.-Sci Ed) -- Mariano Marcos State University-Graduate School, Laoag City  
<br/><br/>Bibliography: leaves 77-79