*Valid November 28, 2024 - December 2, 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.
The Measurement of Efficiency of Production/en-ca/the-measurement-of-efficiency-of-production/DB13F68C-8F08-40A6-97F5-1C4A28018FC3.htmlDB13F68C-8F08-40A6-97F5-1C4A28018FC3