Muhammad Mubeen Shah,Dr. Humaira Irfan,Maria Shamim. 2024. “Critical Discourse Analysis of Pakistani Billboards: A Study of Language Variations in Perspectives of World Englishes”. Harf-O-Sukhan 8 (1), 339-52. https://harf-o-sukhan.com/index.php/Harf-o-sukhan/article/view/1116.