“Analysis of Word-Formation Errors (Affixation, Reduplication, and Compounding) Among Foreign Speakers in The ‘Akun Rakidarei’Database As Recommendations for Level 2 Bipa Word Card Materials”. Litteratura: Jurnal Bahasa Dan Sastra, vol. 5, no. 1, July 2026, pp. 93-108, https://doi.org/10.15408/ltr.v5i1.52439.