Mohammed Abulqaseem Mohammed Elasfar, and Hema Roshney binti Mustafa,. 2023. “A SYTEMATIC LITERATURE REVIEW: APOLOGY AND REQUEST STRATEGIES IN ENGLISH BY LIBYAN UNIVERISTY STUDENT”. Elementary Education Online 20 (5):2891-2906. https://ilkogretim-online.org/index.php/pub/article/view/5663.