TTIMSS 1999 benchmarking technical reportTIMSS 1999 benchmarking technical reportde Michael O. MartinMateriasMathematicsStudy and teaching (Middle school)EvaluationScienceAcademic achievementEighth grade (Education)Third International Mathematics and Science Study-RepeatEdiciones (1)TIMSS 1999 benchmarking technical report (2001)International Study Center, Boston College · inglés
PPIRLS 2006 user guide for the international databasePIRLS 2006 user guide for the international database
SScience achievement in Missouri and Oregon in an internationScience achievement in Missouri and Oregon in an international context, 1997 TIMSS benchmarking
