Marjorie M. Petit; Robert E. Laird; Matthew F. Wyneken; Frances R. Huntoon; Mary D. Abele-Austin; Jean D. Sequeira  <br/><br/>
A Focus on Ratios and Proportions 

 -  Taylor and Francis  2020 
<br/><br/><label>ISBN: </label>9780429353611 
<br/><br/><label>Source: </label>EBOOK