@BOOK{NAP5937, author = "National Research Council", editor = "Alexandra Beatty", title = "Learning from TIMSS: Results of the Third International Mathematics and Science Study, Summary of a Symposium", isbn = "978-0-309-05975-6", doi = "10.17226/5937", url = "https://nap.nationalacademies.org/catalog/5937/learning-from-timss-results-of-the-third-international-mathematics-and-science-study-summary-of-a-symposium", year = 1997, publisher = "The National Academies Press", address = "Washington, DC" }