Talib, N. H. H. A., Salleh, H., Youn, B. D., & Resali, M. S. M. (2019). Comprehensive Review on Effective Strategies and Key Factors for High Performance Piezoelectric Energy Harvester at Low Frequency. International Journal of Automotive and Mechanical Engineering, 16(4), 7181–7210. https://doi.org/10.15282/ijame.16.4.2019.03.0537