Anam, M Khairul, et al. “Framework for Analyzing Netizen Opinions on BPJS Using Sentiment Analysis and Social Network Analysis (SNA)”. INTENSIF: Jurnal Ilmiah Penelitian Dan Penerapan Teknologi Sistem Informasi, vol. 6, no. 1, Feb. 2022, pp. 11-28, https://doi.org/10.29407/intensif.v6i1.15870.