ISBN 9780070973190 books & textbook
Principles of Mathematics 9
Dearling, Chris Erdman, Wayne Ferneyhough, Fred McCudden, Brian McLaren, Fran Meisel, Roland Speijer, Jacob
McGraw-Hill Ryerson /2006-03-28 Paperback / 640 Pages
isbn-10: 0070973199 / isbn-13: 9780070973190