@article{RDM,
      recid = {14609},
      author = {National Center for Education Statistics Trends in  International Mathematics and Science Study (TIMSS)},
      title = {NCES Trends in International Mathematics and Science Study  (TIMSS)},
      publisher = {University of Chicago},
      address = {2025},
      number = {RDM},
      abstract = {TIMSS Advanced available for 1995 and 2015. Grade
4 and 8  SAS Control files, Codebooks available.
eTIMSS and  bridgeTIMSS available for 2019},
      url = {http://knowledge.uchicago.edu/record/14609},
}