TRAN, Duc Toan; PHAM, Van Hung. Study on the Characteristics of Surface Contacted Friction According to ASTM of Different Lubricants. Old Journal, [S. l.], n. 137, p. 33–37, 2019. Disponível em: https://jst.vn/index.php/old/article/view/605. Acesso em: 2 aug. 2025.