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STEM Rahim, 2015
AR ‫مشكلة البحث‬

Akaygun & AslanTutak, 2016 ; p21, 2018

2018

Trends in International Mathematics

2015 and Science Study TIMSS

49 2011
TIMSS, 2015 46

Freeman, Eddy, McDonough, Smith, Okoroafor, Jordt & Wenderoth, 2014 ; Tharayil,
Borrego, Prince, Nguyen, Shekhar, Finelli & Waters, 2018

Erman, 2017; Stein, Galili & Schur, 2015; Ferreira, 2018

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