Susandri S, Defit S, Tajuddin M. SENTIMENT LABELING AND TEXT CLASSIFICATION MACHINE LEARNING FOR WHATSAPP GROUP. jitk [Internet]. 21Aug.2023 [cited 17Jul.2024];9(1):119 -25. Available from: https://ejournal.nusamandiri.ac.id/index.php/jitk/article/view/4201