The effect of primary school quality on academic achievement across twenty-nine high and low income countries. 

 - Washington :  World Bank,  1983. 
 - Working Papers Series; No. 268 .
<br/><br/> This papers explores diverse influences on pupil achivement in Africa, Asia, Latin America and the Middle East and argues that the lower the income of the country, the weaker the influence of pupils' social status on achievement. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education.<br/>Educational output -- Quality of education//educational planning/.--Educational output -- Quality of education//educational planning/.