BOONJING, V. A Branch-and-Bound Algorithm for Natural Language Database Query Using Metadata Search. CURRENT APPLIED SCIENCE AND TECHNOLOGY, Bangkok, Thailand, v. 3, n. 1, p. 23–34, 2018. Disponível em: https://li01.tci-thaijo.org/index.php/cast/article/view/144340. Acesso em: 27 aug. 2026.