Ramasamy.B, and Amirthagadeshwaran.G. “Behaviour of Reinforcement Concrete Sand Wich Beams”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 7, no. 2, July 2021, pp. 1719-27, doi:10.61096/ijiarec.v7.iss2.2019.1719-1727.