ABD SAMAD , Nurul Ashikin; IBRAHIM, Roliana. Extraction of Aspect Categories for Sentiment Analysis towards Technical and Vocational Education and Training (TVET) in Malaysia Using Topic Modelling Approach. Politeknik & Kolej Komuniti Journal of Engineering and Technology, Putrajaya, Malaysia, v. 5, n. 1, p. 119–129, 2020. Disponível em: https://app.mypolycc.edu.my/journal/PMJET/article/view/285. Acesso em: 7 sep. 2025.