Sultana, F., & Sanjana, L. (2020). English language skills: Perceived difficulties by tertiary level. Brac University.
Čikaški stil citiranja (17. izdanje)Sultana, Farhana, i Lubaba Sanjana. English Language Skills: Perceived Difficulties by Tertiary Level. Brac University, 2020.
MLA način citiranja (8. izdanje)Sultana, Farhana, i Lubaba Sanjana. English Language Skills: Perceived Difficulties by Tertiary Level. Brac University, 2020.
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