I have an essay for my chem class dealing with how ancient greek philosophers influenced dalton and his atomic theory. I need 3 credible sources, I have britannica online but I can't find anything else that seems credible. Thanks for any help!
You could try something like JSTOR or another database that gives you access to scholarly journals. Typically you can find a link through your school's library for these. The librarians can also be a good source for suggestions.