Nurul Hilma Salimah, and Otong Setiawan Djuharie. “Constructed Language and Cultural Identity: A Sociolinguistic Analysis of Fremen Language in ‘Dune (2021)’ Movie”. Jejak Digital: Jurnal Ilmiah Multidisiplin, vol. 1, no. 4, June 2025, pp. 1532-8, https://doi.org/10.63822/ab99jk16.