PRETORIUS, A.; ROOYEN, S. van. Investigating The Financial Implications Of Alternative Water Heating Systems. International Business & Economics Research Journal (IBER), [S. l.], v. 12, n. 7, p. 781–792, 2013. DOI: 10.19030/iber.v12i7.7966. Disponível em: https://clutejournals.com/index.php/IBER/article/view/7966. Acesso em: 17 jul. 2024.