Kumar, S. ., A. J. . Varghese, R. . Roy, and D. . Bhattacharya. “Phase Locked Loop-Based Synchronization of Solar PV System With Single-Phase Grid for Integrated Load Supply”. International Journal of Intelligent Systems and Applications in Engineering, vol. 12, no. 4s, Nov. 2023, pp. 545-51, https://ijisae.org/index.php/IJISAE/article/view/3825.