ПОНА, О. М.; ГУЛАЙ, Б. І. A comparison of the combined solar collector efficiency at different modes of its operation. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 2, n. 8(74), p. 53–57, 2015. DOI: 10.15587/1729-4061.2015.39429. Disponível em: https://journals.uran.ua/eejet/article/view/39429. Acesso em: 28 jul. 2024.