Abdul Rauf Bhatti, Zainal Salam, Beenish Sultana, Nadia Rasheed, Ahmed Bilal Awan, Umbrin Sultana, Muhammad Younas, Optimized sizing of photovoltaic-grid-connected electric vehicle charging system using particle swarm optimization, International Journal of Energy Research, vol 43, pages 500-522, 2019. doi: 10.1002/er.4287