NDEGE, P. K.; KABUBO, C. K.; MUTUA, B. M. An Experimental Study on the Properties of β-Keratin as Dust Suppressant for Gravel Roads. Engineering, Technology & Applied Science Research, Greece, v. 13, n. 4, p. 11096–11099, 2023. DOI: 10.48084/etasr.5879. Disponível em: https://etasr.com/index.php/ETASR/article/view/5879. Acesso em: 31 jan. 2025.