Commission Internationale de l'Enseignement Mathématique. ICMI Study 23: Primary Mathematics Study on Whole Numbers
2015 ◽
Vol 61
(3)
◽
pp. 505-517
◽
2014 ◽
Vol 86
(3)
◽
pp. 307-309
◽
Brief Reports: Textbook Pictures and First-Grade Children's Perception of Mathematical Relationships
1978 ◽
Vol 9
(5)
◽
pp. 368-374
1919 ◽
Vol 88
(2284supp)
◽
pp. 256-256
2017 ◽
pp. 327-327
◽
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