Sanjay Kumar, Rashmi Rekha Behera, Surabhi Gupta, Poonam Yadav, Prem NarayanVerma, Dilip Kumar. “Maximum Power Point Tracking Schemes for Photovoltaic Systems: A Comprehensive Review”. International Journal of Advanced Science and Technology, Vol. 29, no. 7, July 2020, pp. 12055 -67, http://sersc.org/journals/index.php/IJAST/article/view/27895.