M. S. . Thathsarani, M. J. . Dheerasinghe, S. M. Rajapaksha, S. K. . Ranatunga, S. . Perera, and C. N. K. Patabendige, “Sustainable Use of Biomass Boiler Ash as a Reinforcement Filler for Polyamide 6 Composite”, Adv. Technol., vol. 1, no. 1, pp. 161–176, May 2021.