sentence: Professional librarians can help research library sources.
sentences_before: To find out if someone is telling you the truth, one needs evidence. Information is found in libraries, online, and by asking people.
sentences_after: Cybrarians can help research using computers. Professional interviewers are good at finding people who are experts in their fields, and they know how to ask the right questions.
concept_name: professional librarian
headings: Critical thinking