Hardian, R. W. ., P. E. . Prasetyo, U. . Khaira, and T. . Suratno. “Analisis Sentiment Kuliah Daring Di Media Sosial Twitter Selama Pandemi Covid-19 Menggunakan Algoritma Sentistrength: Online Lecture Sentiment Analisys On Twitter Social Media During The Covid-19 Pandamic Using Sentistrength Algorithm”. MALCOM: Indonesian Journal of Machine Learning and Computer Science, vol. 1, no. 2, Nov. 2021, pp. 138-43, doi:10.57152/malcom.v1i2.15.