MEHBOOB, S.; ZAIDI, S. A. J.; RIZWAN, M.; DILSHAD, U.; LASHARI, N.; ADEEL, M.; SANWAL, G. H. Sentiment Base Emotions Classification of Celebrity Tweets by Using R Language. Pakistan Journal of Engineering and Technology, [S. l.], v. 3, n. 2, p. 95–99, 2020. DOI: 10.51846/vol3iss2pp95-99. Disponível em: https://journals.uol.edu.pk/pakjet/article/view/420. Acesso em: 6 jul. 2025.