1. Ahmed S. Kim A. Kim S. & Sangma M. (2011). The kurux of Bangladesh: A sociolinguistic survey. SIL Bangladesh. https://www.sil.org/system/files/reapdata/14/77/38/147738795439636144307622558968035823325/silesr2011_040.pdf
2. Language Hotspots: what (applied) linguistics and education should do about language endangerment in the twenty-first century
3. evsjv‡`‡k fvlv cwiw¯’wz (the language situation in Bangladesh);Anisuzzaman;Asiatic Society of Bangladesh,2008
4. Bangladesh Bureau of Statistics. (2022). Population and housing census 2022 preliminary report. https://drive.google.com/file/d/1Vhn2t_PbEzo5-NDGBeoFJq4XCoSzOVKg/view
5. Central Institute of Indian Languages. (2016). Language documentation handbook.