PUTRI, Dewi Melisa; FINDAWATI, Yulian. Text Preprocessing on Emotional Tweets Case Study: Covid-19 Vaccine Rejection: Text Preprocessing pada Tweet Emosi Studi Kasus : Penolakan Vaksin Covid-19 . Procedia of Engineering and Life Science, [S. l.], v. 5, p. 446–453, 2024. DOI: 10.21070/pels.v7i0.1501. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/1501. Acesso em: 16 jun. 2025.