XIAO GUO, T. H.; ZHOU, B. Research on Flow Boundary of Different Kinds of Heavy Oil with Different Fluidities. International Journal of Social Science and Economics Invention, [S. l.], v. 1, n. 01, p. 5 t0 10, 2021. Disponível em: http://ijssei.in/index.php/ijssei/article/view/2. Acesso em: 18 may. 2024.