Teaching strategies in the social sciences for elementary grades: : ( teaching strategies II) 
Songco, Evelyn A. 
 - revised edition. 
 -  Katha Publishing Co., Inc.,  2002 
 - v, 146 p. ;. 
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<br/><br/><label>ISBN: </label>9-71574040-5 
<br/><br/><label>Dewey Class. No.: </label>F 372.83 T22 2002