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Post date	Users	Rates	Content
2014-06-26	ioanap	90	Check this topic
2013-02-02	mahsa.parsapour	80	Check this topic
2013-04-05	annisak	70	Check this topic

Topic title: Using the main points and examples from the lecture, describe the two criteria for using an older research reference presented by the professor.

Topic category: TOEFL speaking