Teaching mathematics in the primary grades 
Genesis G. Camarista, Ian B. Oranio 
 - Quezon City, Lorimar Publishing, Inc  2019 
 - vii.;ill.; 137p.; 26cm 
<br/><br/> Includes Answer key 
<br/><br/><label>ISBN: </label>9786218035577 
<br/><br/><label>Dewey Class. No.: </label>Fil 372.720 C172 2019