1. A. W. Al Zand, E. Hosseinpour, and W. M. Tawfeeq, The effects of filling the rectangular hollow steel tube beam with concrete: an experimental case study, J. Civil Eng. Researchers, 1(3), 23–30, (2017).
2. Investigation of Flexural Capacity of Normal and Recycled Aggregate Concrete Filled Steel Tubes
3. S. Al-Obaidi, T. Salim, and S. A. Hemzah, Flexural behavior of concrete filled steel tube composite with different concrete compressive strength, International Journal of Civil Engineering and Technology, 9(7), 824–832, (2018).
4. Flexural behaviour of concrete-filled stainless steel CHS subjected to static loading
5. T. H. G. Megson, "Composite Beams," in Structural and Stress Analysis, edited by T.H.G. Megson, (Elsevier Butterworth-Heinemann, Oxford, 2019), pp. 343–366.