Selvam, V. M., and K. Bindhu. “Application of Double Integration Method and the Maxwell-Betti Theorem for Finding Deflection in Determinate Flexural Frames- A Supplement Note”. Journal of Structural Engineering, vol. 41, no. 4, Nov. 2024, pp. 420-31, http://14.139.176.44/index.php/JOSE/article/view/919.