*Valid September 30, 2024 - December 25, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Difference Equations and Their Applications/en-ca/difference-equations-and-their-applications/611DB0D8-815F-4E97-ADE4-14D28DCE2BB4.html611DB0D8-815F-4E97-ADE4-14D28DCE2BB4