M. T. Lakhiar, S. Sanmargaraja, A. Olanrewaju, C. H. Lim, V. Ponniah, and A. D. Mathalamuthu, “Assessing Energy Efficiency in Conventional Office Buildings through Retrofitting Strategies”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 3, pp. 23197–23203, Jun. 2025.