Findings from the TIMSS 2019 problem solving and inquiry tasks
Mullis, Ina V. S., Michael O. Martin, Bethany Fishbein, Pierre Foy, and Sebastian Moncaleano. “Findings from the TIMSS 2019 problem solving and inquiry tasks”, Chestnut Hill, Mass.: TIMSS & PIRLS International Study Center, 2021. http://hdl.handle.net/2345/bc-ir:109269.