Mwale, James <br/><br/>
The effective use of problem based learning to improve pupils understanding in writing chemical fomulae and balancing chemical equations 

 - Kitwe  Copperbelt University, School of Mathematics and Natural Sciences, Department of Mathematics and Science Education  2011 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE--EDUCATION<br/>EDUCATIONAL TESTS AND MEASUREMENTS 
<br/><br/><label>LC Class. No.: </label>THESIS/STUDENT