Thirtha N. V. <br/><br/>
Effect of environmental process variables on school achievement five and half to eleven years : The report of the Bangalore Centre 
National Council of Educational Research and Training 
 - New Delhi, India  National Council of Educational Research and Training  1981 
 - viii,189p. 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child Psychology