Saputra, I., Halomoan, J. A., Raharjo, A. B. and Syavira, C. R. A. (2020) “SENTIMENT ANALYSIS ON TWITTER OF PSBB EFFECT USING MACHINE LEARNING”, Jurnal Techno Nusa Mandiri, 17(2), pp. 143–150. doi: 10.33480/techno.v17i2.1635.