1. https://github.com/stontyg/PDFQuiz
  2. https://sites.google.com/view/pdf-edu/home
  3. https://sim0n.substack.com/p/revolutionizing-learning-with-ai
  4. https://note.com/m0nlight/n/n277adf5615e4
  5. https://johnwa.gumroad.com/l/aiPDFtools
  6. https://bobbyle.gitbook.io/pdfquiz