1. Dr. Norhidayat, “Eschatology In Perspective Islam,” pp. 1–8, 2021, [Online]. Available: https://mahad.uin-antasari.ac.id/wp-content/uploads/2021/06/6.-Eskatologi-dalam-Perspektif-Islam.pdf
2. A. Abdurrahman, “Sociolinguistics: Theories, Roles, and Their Functions in the Study of Literary Language,” Ling. J. Ilmu Bhs. dan Sastra, vol. 3, no. 1, pp. 18–37, 2011, doi: https://doi.org/10.18860/ling.v3i1.571.
3. E. R. Fauziah, I. N. Safitri, A. S. W. Rahayu, and D. Hermawan, “Sociolinguistic Study of the Use of Slang on Social Media Twitter,” BASINDO J. Kaji. bahasa, sastra Indones. dan pembelajarannya, vol. 5, no. 2, p. 150, 2021, doi: https://doi.org/10.17977/um007v5i22021p150-157.
4. H. Khajehei and A. Shakarami, “An In-Depth Linguistic Analysis of the Thematic Connectivity in the Holy Quran,” Acad. Res. Int., vol. 2, no. 2, pp. 682–695, 2012, [Online]. Available: http://www.savap.org.pk/journals/ARInt./Vol.2(2)/2012(2.2-75).pdf
5. S. Nafinuddin, “Introduction to semantics (definition, nature, type),” Pengantar Semat., pp. 1–21, 2020, [Online]. Available: https://doi.org/10.31219/osf.io/b8ws3