Finite element analysis of hybrid energy harvesting of piezoelectric and electromagneticMuhammad Ammar Faris Muhammad Yazid, Norlida Jamil, Nik Nurul Husna Muhmed Razali and Ahmad Razlan YusoffMATEC Web Conf., 90 (2017) 01039DOI: https://doi.org/10.1051/matecconf/20179001039