Munro, Donald <br/><br/>
Three explanatory studies of reinforcement effects with Zambian chil dren /    
Donald Munro. 
 - Lusaka :   Human Development Research unit,   1971. 
 - 24 p. :    tables. 
 - H. D. R. U. reports;   17 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ability grouping in education--------<br/>Educational tests and measurements--------