THERMOELECTRIC GENERATORS, PROBLEMS AND WAYS TO INCREASE THEIR EFFICIENCY. International Engineering Journal For Research & Development, [S. l.], v. 6, n. 5, p. 6, 2021. DOI: 10.17605/OSF.IO/DEUYX. Disponível em: https://www.iejrd.com/index.php/iejrd/article/view/2381. Acesso em: 30 sep. 2026.