Hi Anita, Thanks for getting in touch. It's great to know our content resonates with our user community, particularly educators. For Esri's official terms of service, I will refer you to our official policy here. I cannot speak for all stories created at Esri, so it will likely depend on the story and how it is being used. It is best practice to reach out to the story author to ask how it should be cited and any additional questions about data use. I hope this helps.
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