Gelani, H. E. ., M. . Nasir, F. . Dastgeer, and H. . Hussain. “Efficiency Comparison of Alternating Current (AC) and Direct Current (DC) Distribution System at Residential Level With Load Characterization and Daily Load Variation: Efficiency Comparison of Alternating Current (AC) and Direct Current (DC) Distribution System”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences, vol. 54, no. 2, Apr. 2021, pp. 111–118, http://ppaspk.org/index.php/PPAS-A/article/view/237.