Surdyanto, A. . “Grammatical Cohesion and Textuality: An Argumentative Discussion”. Aufklarung: Jurnal Pendidikan, Sosial Dan Humaniora, vol. 2, no. 4, Dec. 2022, pp. 406-11, https://pijarpemikiran.com/index.php/Aufklarung/article/view/304.