Variable Speed Pumped Storage Hydropower Generation. Journal of Advance Research in Mechanical and Civil Engineering (ISSN: 2208-2379), [S. l.], v. 1, n. 1, p. 12–15, 2014. DOI: 10.53555/nnmce.v1i1.379. Disponível em: https://jarmce.com/index.php/mce/article/view/5. Acesso em: 22 aug. 2025.