SAPUTRA, Christian Eka; SUHARTONO, Derwin; WONGSO, Rini. Question Categorization using Lexical Feature in Opini.id. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 8, n. 4, p. 229–234, 2017. DOI: 10.21512/comtech.v8i4.4026. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/4026. Acesso em: 10 may. 2025.