O, Un Gyong; KIM, Kyong Chon; JO, Jong Chol. Study of Method of Evaluating Surface’s Pollution Level & Cleaning Efficiency on Decoration Building Materials. International Journal of Architecture and Urbanism, [S. l.], v. 8, n. 3, p. 479–496, 2024. DOI: 10.32734/ijau.v8i3.17694. Disponível em: https://talenta.usu.ac.id/ijau/article/view/17694. Acesso em: 4 dec. 2025.