A：Can I help you?
B：I hope so.I'm looking for some material for a paper I'm writing,and I'm not quite sure where to look.
A：I'll certainly try to help you.What topic is your paper on?
B：My paper is on the influence of television on children.
A：There are several possible sources you might use for that topic.I suggest you use the computer and the computer will give you a list of every scientific journal that talks about children and television.
B：Thank you for you help.