1. "Oorjan Technology," Solar Energy for your Home and Business, [Online]. Available: https://www.oorjan.com/blog/2018/05/30/solar-tracker/.
2. "Zomeworks Corporation: Passive Solar Energy products," Passive Solar Energy products, 1969. [Online]. Available: http://www.zomeworks.com/photovoltaic-tracking-racks/how-trackers-work/.
3. Improved structure of solar tracker with microcontroller based control, in Advances in Computing, Control and Telecommunication Technologies (ACT);Abas;2010 Second Int. Conf. Energy Power Eng. (EPE2014),,2014
4. Optimum tilt angle for photovoltaic system in desert environment;Abdeen;Sol. Energy,2017
5. Solar Tracker Robot using microcontroller, in Business, Engineering and Industrial Applications (ICBEIA);Afarulrazi;2011 Int. Conf.,2011