Arimba Antony M. <br/><br/>
Effects of advance organizers on secondary school students' achievement and self concept in Chemistry in Maara district, Kenya 

 - Chuka University College  Chuka  2012 
<br/><br/><label>ISBN: </label>9966-830-009 
<br/><br/><label>LC Class. No.: </label>THE QD 40   / A75 2012