S. V. Bankar, S. M. Kale, Y. A. Awad, and S. M. Kalel, “Feasibility Study on the Replacement of Cement andSandinConcreteand Mortar by ECOSPHERE (PalmOil Fuel Ash- POFA”, IJASRET, vol. 9, no. 11, pp. 42–44, Nov. 2025.