Art Gallery Problem Untuk 1-Guarded Guards Dan 2-Guarded Guards Pada Poligon Orthogonal. Jurnal EurekaMatika, [S. l.], v. 8, n. 1, p. 15–25, 2020. Disponível em: https://ejournal-science.upi.edu/jem/article/view/248. Acesso em: 1 jul. 2026.