LaxmiYerdoor, Roopa, and y R Suresh. 2018. “A Study on Behaviour of V and Trapezoidal Type of Folded Plate Roofs for Fixed and Hinged Boundary Conditions”. International Journal of Engineering & Technology 7 (3.34): 845-50. https://doi.org/10.14419/ijet.v7i3.34.19573.