Karatepe Mumcu, Yelda, Nazlı Dağlar, and Fatma Malkoç. “A Review of the Generation of Electrical Energy With Renewable Energy Sourced Piezoelectric Material”. International Journal of Innovative Research and Reviews 5, no. 2 (December 15, 2021): 58-68. Accessed May 28, 2022. http://www.injirr.com/article/view/86.