Daulay, N. A., Rifqi Ramadhan and Lya Hulliyyatus Suadaa (2023) “Sentiment Classification of Community towards COVID-19 Issues on Twitter (Case Study: Indonesia, March-May 2020)”, Proceedings of The International Conference on Data Science and Official Statistics, 2023(1), pp. 201–217. doi: 10.34123/icdsos.v2023i1.360.