S. S. Dhayabarasivam, K. Jayanthi, and G. Pragatheeswaran, “Design and Analysis of Modified Diode Rectifier Circuit Suitable for Piezoelectric Energy Harvester for Biomedical Applications”, IJET, vol. 7, no. 3.16, pp. 67–70, Jul. 2018, doi: 10.14419/ijet.v7i3.16.16185.