Aribowo, A.S. and Khomsah, S. 2021. Implementation Of Text Mining For Emotion Detection Using The Lexicon Method (Case Study: Tweets About Covid-19). Telematika: Jurnal Telematika dan Teknologi Informasi. 18, 1 (Mar. 2021), 49–60. DOI:https://doi.org/10.31315/telematika.v18i1.4341.