WOUBOU, Ambachew Maru. The Circulation Rate in U-shaped Working Chamber. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 27, n. 2, p. 139–147, 2016. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/5622. Acesso em: 15 sep. 2025.