Samuelson، Robert (2020). "Goodbye, readers, and good luck — you'll need it". The Washington Post. مؤرشف من الأصل في 2022-04-07. This article was an opinion piece expressing despondency in the field shortly before his retirement, but it is still a good summary.
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Samuelson، Robert (2020). "Goodbye, readers, and good luck — you'll need it". The Washington Post. مؤرشف من الأصل في 2022-04-07. This article was an opinion piece expressing despondency in the field shortly before his retirement, but it is still a good summary.