YU JING, B.; SWEE LEONG, K. Parametric Studies on Resonance Frequency Variation for Piezoelectric Energy Harvesting With Varying Proof Mass and Cantilever Length. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), [S. l.], v. 8, n. 5, p. 119–123, 2016. Disponível em: https://jtec.utem.edu.my/jtec/article/view/854. Acesso em: 21 nov. 2024.