https://www.mvorganizing.org/when-choosing-between-two-alternatives-costs-that-do-not-differ-between-the-two-alternatives-can-be-considered-to-be-irrelevant- à-cette-décision /
https://www.mvorganizing.org/when-choosing-between-two-alternatives-costs-that-do-not-differ-between-the-two-alternatives-can-be-considered-to-be-irrelevant- à-cette-décision /