Introduction to educational psychology / 
Ingule Frank O., ...[et ..al] 
 - Nairobi;  E.A.E.P.  2011. 
 - 445 p,: 
<br/><br/><label>ISBN: </label>9789966464897 
<br/><br/><label>LC Class. No.: </label>LB1051  / .I58