Update README.md

Author: olegranmo

README.md

@@ -695,6 +695,24 @@ I thank my colleagues from the Centre for Artificial Intelligence Research (CAIR
 }
 ```
 
+```bash
+@article{bhattarai2021fakenews,
+  title="{Explainable Tsetlin Machine framework for fake news detection with credibility score assessment}",
+  author={Bimal Bhattarai and Ole-Christoffer Granmo and Lei Jiao},
+  journal = {arXiv preprint arXiv:2105.09114}, year = {2021},
+  url = {https://arxiv.org/abs/2105.09114}
+}
+```
+
+```bash
+@article{bhattarai2021wordlevel,
+  title="{Word-level Human Interpretable Scoring Mechanism for Novel Text Detection Using Tsetlin Machines}",
+  author={Bimal Bhattarai and Ole-Christoffer Granmo and Lei Jiao},
+  journal = {arXiv preprint arXiv:2105.04708}, year = {2021},
+  url = {https://arxiv.org/abs/2105.04708}
+}
+```
+
 ```bash
 @article{yadav2021dwr,
   title="{Distributed Word Representation in Tsetlin Machine}",