A. D’Urso, V. Cutraro, C. Catania, F. Rapisarda, G. Garaffo, and M. Calì, “Closed Cycle Drying Process to Retrain Industrial Sludge into Construction Products”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 9, no. 6, pp. 1783–1788, Dec. 2019.