*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.
Integrated Methods for Optimization/en-ca/integrated-methods-for-optimization/2FBA3E4A-6027-4D6B-A870-93DD3C9EF9F8.html2FBA3E4A-6027-4D6B-A870-93DD3C9EF9F8