Ihsan, M., Benny Sukma Negara and Surya Agustian 2022. LSTM (Long Short Term Memory) for Sentiment COVID-19 Vaccine Classification on Twitter. Digital Zone: Jurnal Teknologi Informasi dan Komunikasi. 13, 1 (May 2022), 79-89. DOI:https://doi.org/10.31849/digitalzone.v13i1.9950.