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 and Environmental Engineering, [S. l.], n. 97, p. 85–90, 2025. Disponível em: https://thuyloi.vojs.vn/index.php/tlmt/article/view/38. Acesso em: 13 nov. 2026.