Ibarrientos, Catherine A.  <br/><br/>
Problem-solving difficulties in grade 8 physical science :   basis for the development of instructional materials / 
Catherine A. Ibarrientos.  
 - Luna Colleges, Inc.,   [s.n.],   2020. 
 - xiii, 66 pages    illustrations ;   29 centimeter. 
<br/><br/>References: pages 50-52. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical sciences.
<br/><br/><label>Dewey Class. No.: </label>TH 500.2 Ib1p 2020