Could any researcher guide me to the free journal in the field of second language acquisition?

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Joseph C Lee

Hello Khalid Mohamed Ahmed

You are quite correct that many journals on this topic charge fees but I have just now found Journal of Second Language Acquisition and Teaching.

https://journals.librarypublishing.arizona.edu/jslat/

No fees! Confirmed by the website of their publisher (which is a University).

https://journals.librarypublishing.arizona.edu/jslat/submissions/