| 6402 | |
| Ina V.S. Mullis, Michael O. Martin, Tom Loveless | |
| 20 Years of TIMSS International Trends in Mathematics and Science Achievement, Curriculum, and Instruction | |
| TIMSS International Trends in Mathematics and Science | |
| ISBN: 978-1-889938-40-0, International Association for the Evaluation of Educational Achievement (IEA) | |
| 2016 | |