Khairina, Izzati, Riris Marisi Rosinda Simarmata, An Nayla Al Farohah, Silvina Noviyanti, and Nazurty Nazurty. “The Roles and Functions of Language in Human Life in the Era of Industrial Revolution 4.0 and the Twenty-First Century”. Priviet Social Sciences Journal 5, no. 12 (December 12, 2025): 336–342. Accessed December 25, 2025. http://journal.privietlab.org/index.php/PSSJ/article/view/1252.