ELISTRATOV, D. EFFICIENCY OF OPERATION OF A HEAT-PUMP SYSTEM IN TRANSITIONAL MODES. International Journal of Engineering Technologies and Management Research, [S. l.], v. 6, n. 12, p. 64–67, 2019. DOI: 10.29121/ijetmr.v6.i12.2019.555. Disponível em: https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/08_IJETMR19_A11_1300. Acesso em: 18 jul. 2024.