Sformo, Todd Practical problems in mathematics for automotive technicians / Todd Sformo, Larry Sformo - 7th ed. - Clifton Park, NY : Cengage Learning, c2009 - xii, 237 p. : ill. ; 24 cm. ISBN: 9781428335240 142833524 Subjects--Topical Terms: Automobiles--Maintenance and repair--Mathematics