NGUYEN, Ngoc Hung; NGUYEN, Van Manh; NGUYEN, Ngoc Linh; ANH TRAN, Tuan. Phase portrait analysis of a cantilevered piezoelectric-electromagnetic energy harvester. Journal of Water Resources & Environmental Engineering, [S. l.], n. 97, p. 85–90, 2025. Disponível em: https://dev.vojs.vn/index.php/jwree/article/view/19. Acesso em: 16 mar. 2026.