Fontanella A, Hendrick, Ihsan H, Wang Z-H, Igra. Sentiment Analysis of Indonesian Government Policy in the Environmental Sector Using Machine Learning Method. Rafgo [Internet]. 2021Aug.1 [cited 2024Nov.22];1(2):1-5. Available from: https://akuntansi.pnp.ac.id/rafgo/index.php/RAFGO/article/view/10