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Authors
Mohammadpour, Ebrahim https://orcid.org/0000-0002-9208-4015
Yon, Haniza
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Article History
Received: 11 October 2021
Revised: 3 October 2024
Accepted: 11 October 2024
First Online: 9 November 2024
Declarations
: We hereby clarify that this manuscript is an original study, is not published before, not submitted to any other journal, it not split into different parts and submitted to journals, and we have received no fund for it.
: Our study is being carried out based on secondary data which were previously collected by the TIMSS centre,
: Our study is done based on secondary data (received it from the TIMSS centre on the web).
