Kahn, Leonard, and Emily Ortiz. 2019. “William MacAskill, "Doing Good Better: How Effective Altruism Can Help You Help Others, Do Work That Matters, and Make Smarter Choices About Giving Back."”. Philosophy in Review 39 (4). British Columbia, Canada, 194-96. https://journals.uvic.ca/index.php/pir/article/view/19096.